Common Sense of a Duke’s Daughter


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When a young woman is killed in a traffic accident on her way home from work at a tax bureau, she suddenly finds herself transported to the world of the otome game she was playing the night before – but instead of the heroine, she’s been reincarnated as the bad guy! Using her knowledge of the game, “Iris” manages to avert personal disaster and decides to rebuild her life with her modern-day economic know-how. This is one mean girl who isn’t going to let her perceived reputation stop her from being a heroine!

Associated Names
One entry per line
Koushaku Reijou no Tashinami
Related Series
The Manual of a Duke’s Daughter (Spin-Off)
Common Sense of a Warrior (Prequel)
Common Sense of a Duke’s Daughter (LN) (Light Novel)
Release that Witch (16)
Genjitsushugi Yuusha no Oukoku Saikenki (10)
Tensei Oujo wa Kyou mo Hata o Tatakioru (9)
I Reincarnated as a Noble Girl Villainess But Why Did It Turn Out This Way? (WN) (8)
Haunted Duke’s Daughter (7)
Okoborehime to Entaku no Kishi (5)
Recommendation Lists
  1. Inside a Game
  2. Japanese novels with more than 100 chapters
  3. Current Reads
  4. The Original Heroine is.... O_O
  5. Transmigration Novels

Latest Release

Date Group Release
06/23/20 Asian Hobbyist c267
06/23/20 Asian Hobbyist c266
06/18/20 Asian Hobbyist c265
06/12/20 Asian Hobbyist c264
06/05/20 Asian Hobbyist c263
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05/06/20 Asian Hobbyist c257
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05/04/20 Asian Hobbyist c255
05/01/20 Asian Hobbyist c254
04/29/20 Asian Hobbyist c249
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173 Reviews sorted by

AC253 rated it
April 1, 2017
Status: --
My reviews tends to hint at parts in the story, as most reviews do, but I'd still recommend for you to skim or skip this if you want to go into this blind. This may change depending on future chapters.

First of all, I finally got around to reading this... I saw this as a high rated novel after going through my evil-villainess reading spree, and the short story here is: I'm disappointed. Like some other reviews have stated, this whole story feels like a wasted potential- but since the... more>> potential still exists, I'll try to read it till the end.

Like most broken-engagement stories, the "capturable characters" are the "bad guys" and the protagonists are the "good guys." Unfortunately, like most broken-engagement stories, the transition from being a "bad" to being a "good" person is nonexistant- because the "evil" villainess was the good person this whole entire time, even before the reincarnator merged with the protagonist (a counter example to this would be Haunted Duke's Daughter.) This isn't the only novel that has this fault, so I'm not too angry, but...

The protagonist. I know many light/web novels are overran with overpowered protagonists, and I honestly don't mind that if its realistically done and well-written. Unfortunately, here, she's a beautiful young woman with faults that might as well as be her strength. Basically, she's surrounded by people who love her for her faults (ex- her princess-like naivete and kindness). If these faults were expanded on and actually hindered her instead then I wouldn't have been as annoyed. Another reoccurring problem is how her "real world" knowledge seems too broad for any "normal" person from the "real world" and is often used as a plot convenience, but then again, this is a common problem in many LN/WNs.

While the event climaxes and plot twists are predictable and boring, I do love the premise of the main story and the economical and political aspects of her fief. Stories about business and politics nearly always at least get a two star from me, and the writing is decent. It has an addicting quality to it, and I do look forward to seeing how she maneuvers her way to success.

Of course, these aren't all its faults/redeeming qualities, but these are the main things I took note of. All in all, I'd recommend it to any fan of this genre, though I do warn that you shouldn't expect deep and complex characters or a realistic world. <<less
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razgallo rated it
February 4, 2017
Status: c63
The story is interesting but the author has the inability to build up tension makes the story rather predictable in many ways. The characters are totally black and white, ally or enemy, no backstabs or any kind of plot twisting mumbo jumbo because you can clearly see who the villains are if you pay attention.

The villains are tacky and somewhat edgy in a sense that why they are called as such is just because they are an enemy of the main character, they do not have any other reasons for... more>> their actions.

Character development is forgettable, they seem to have a single purpose like those two knights or that maid girl or that merchant or that librarian. They look more like tools for the main character to choose from when she needs them and they are loyal to a fault, not resembling close to human's ever changing behaviour and attitudes. As his majesty Claire wills, so shall it be done.

And with that, the conclusion is that it is not really that bad but it's rife with flawed plot progression and robotic characters. Very predictable, very boring climaxes in every arc. You basically know who wins anyway. Read it if you like city building genres like I am but a caveat that it falls off quite fast, I am only interested in what happens on the fief and nothing else anymore. <<less
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September 19, 2016
Status: c147
A great read, the otome game reference is only at the beginning of the story since it's a story that's started at the epilogue of the game. The MC is smart and hardworking, not that dense in romantic sense either. While she's moving a lot, there's a lot of things happening behind the scenes from side characters, some of them are aiding her and some of them are hindering her. Though some people write that she seemingly never got adversaries it's a wrong accusation, she does got adversaries, most of... more>> the time the enemies are plotting to strike down her and some of them are actually heavy blow to her image. She needs to work hard to recover from the schemes that's thrown at her. <<less
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ScotlandForsythe rated it
April 17, 2016
Status: --
Not what I expected. It's awesome and sort of slice of life. Not s*upid like a lot of the other ones out there. (MC is actually smart)

.... read. ^-^
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myyinfatuation rated it
February 13, 2021
Status: c142
The FL is a mary sue without a harem (her saving grace). Everything she does and says after her arrival is the best possible action (whether this is true or not is debatable) with her privilege as a dukes daughter often serving as the reasoning as why what she says is right. For example: Iris bullies the girl her fiancé falls in love with [girl B] and is condemned by her peers. Makes Sense. But later the author gives us the impression that Iris wasn't wrong as [girl B] is... more>> a barons daughter and not suitable for a prince. But let me tell you something author - so f-ing what?? Iris still acted like a crazy b**ch. The reasoning that getting kicked out of school was over the top for her level of petty bullying, but that doesn't make her a saint. Or course they make girl B the villain, continually lowering her status

to illegitimate psycho traitor

to make Iris seem even more saintly *rolls eyes*

The side villains are pathetic, and the lack of depth in all the characters except 1 or 2 side characters make the story feel shallow and cheesy. Everyone spouts clichés, and I feel tempted to skip dialogue because of how meaningless it is.

The female lead isn't characterized as "dumb and cute" which is great, but she doesn't have the complexity or depth of a FL in a josei manga or western novel, so I would say this novel is geared for younger audiences (and looking at the genre tags I see that it has been recategorized as shoujo). This review sounds harsh, but I'm getting sick of stories like this - and almost all light novels have this issue so it might be a defining characteristic of light novels that I haven't realized.

However, while the characters fall flat, the storyline itself has some merit. Something interesting happens once in a while

like being condemned by the church

so I have continued reading. Somebody wish me luck.

PS some recomendations of books I have recently read:

The Element of Fire by Martha Wells - a better take on being harassed by a poor neighbor (though that would be a side plot). Standalone novel and Wells first published book. Villainous noble girl

Kenkyo, Kenjitsu o Motto ni Ikite Orimasu - my fav insekai, my fav villainous noble girl, my fav web novel period.

I Reincarnated as a Noble Girl Villainess But Why Did It Turn Out This Way - much more serious, josei audience, villainous noble girl <<less
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throughtheraine rated it
January 22, 2021
Status: Completed
This novel is a good read though it's not the type that gave me adrenaline rush while reading nor it made me anticipate each chapter and kept me on my toes. Instead, it was something that can be read slowly and calmly. The plot is typical isekai with villainess turned heroine and the development was quite predictable. Nevertheless, it was well written. I appreciate that the author included various perspectives and it was not just about the protagonists' POV but even the side characters and common folks. It's not something... more>> you can usually found in other novels.

The focus of the novel was more on process as to how the FL brought about developments to her territory. There's no fluffy romance and the relationship between the FL and ML was not really delved deeply. However, it's nice to see a realistic aspect of life here wherein it's not just all about love but matters such as families and responsibilities cannot be taken for granted. Both the protagonists took these into consideration in making their decisions. I like how both of them are wise and rationale beings. Also, it was notable that even though the FL has an almost perfect character, she still has moments of weakness which makes her more human. Moreover, she did not achieve everything all by herself but she has a reliable support group around her.

Overall, this novel does not really have some amazing, heartwarming and memorable scenes nor it's something I would read again in the future but I think it's nice to read if one just wants to pass some time. <<less
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puregarnet rated it
January 3, 2021
Status: Completed
Hmm, the first book was quite bad where all the characters didn’t quite make sense and it was hard to really identify with Iris though this may all just be translation issues haha. Moreover, all the ideas Iris gave out just seemed to happen very fast one after the other that it felt too unbelievable. Moreover, some parts were left up to the reader’s imagination too much or just weren’t elaborated such as how on earth did Tanya become basically a leader of an elite spy organisation? I mean I... more>> can kinda believe it when it shows her increasing capability in investigating from Milo and Dean’s conversation but then how did she get so many people to spy for her? And even loyal enough to just go off to infiltrate overseas in another kingdom in super short time. Her spy kingdom was the most unbelievable. Other than that, there were some minor lose ends such as her friends love interest and what happened to Dawson? The Knight’s son person. Also, a lot of what happened in the beginning was similar to Ascendence of a Bookworm although it way all just be a common trope thing haha. But Bookworm did it much better so it kinda lowered my opinion on this. Also, I thought the romance were kinda insta lovey and the chemistry was average. Otherwise, all the character backstories were quite good. And the first prince was not what I expected which was nice. Iris loyal servants too. <<less
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natasha_habib rated it
August 31, 2020
Status: Completed
Thank you to Author and Translator (s) for your hard work~

It was alright. The politics wasn't too interesting or eye opening. The first half of the book was too slow, and the second half too fast. Nearing the end, the pace got alright but surviving the start was a big deal.

The characters were alright. I liked the MC and her subordinates. ML wasn't interesting to me at all. To be honest the character I found the most interesting was Yuri~

... more>>

she was a really complex character. It was easy to hate her but she had her reasons. The way she grew up, the way she ended, all of that was really interesting.


A lot of characters and things weren't mentioned again. I disliked Edward's end too


Before dying I wanted him to see Yuri's true colours. I wanted him to know that she was only using him. I wanted him to feel regret. Even from her whole group of admirers, only Bern found out her true colours. None of the others did before dying. Which was really unsatisfying to me.


So, for those of you wanting some interesting political schemes, there aren't any good ones.

And for the ones reading for R-Harem, the only R-Harem I saw was Yuri's.

3/5 from me.

Read it only if you have nothing else to read, or maybe not. I could be wrong because there are a lot of people who loved it a lot~ maybe I'm being too harsh because I read it for the political schemes and conspiracies, and my standards for those are high because of some Ancient China based books. :) <<less
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July 15, 2020
Status: --
I wish another group re-translates this novel. The English is horribly butchered and creates convoluted sentences which makes the story that much harder to understand. I'm going through on my own and editing the nonsense as much as I can, while trying to understand the story line.

Aside from the abysmal translations, the story seems to be well executed. I usually avoid otome story lines, but this one breaks free from the stereotypical 4 targets, and focus more on the main character.

Still reading through the first volumes of the novel and... more>> will update my review accordingly. So far it's 2.5/5 for all the hard work I have to put in reading this. <<less
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sheehan0915 rated it
September 30, 2019
Status: v1c1
the story is bascically about the MC getting condemed because of being headstrong in displaying her displeasure to the FL (fake). With her status as dukes'daughter she fell from grace, with her arrival it is in turn become milder than the original. (This point is ok since it started with the plot of the game/novel, do not know why others kept seriously critisizing)

... more>>

she goes to her father 's dukedom and manages it, creating innovative products with the products existing in both worlds (i do mot understand why people compaling here, maybe she was interested in how chocolate was made, that is why she knows, and conditioner could be made naturally as well, she is female after all does she not like to beautify herself with natural goods? We do not know as her past was not delve into, but see my point?) banking is easy as well, its the idea of it and execution that was hard, watch youtube videos on how banks came to be or watch how paper money came to be)
them hating her is acceptable due to the premise of what she may or maynot have done in the academy

lastly the case about not knowing the other characters is fully acceptable since we are viewing the world in her eyes. Its up to the author when to shed light. It could be done in an epilouge at the end why so picky? It does not affect the story, infact it creates a mystery.

im at the part where she is accused of being a herectic.


hope this review/rant brings justice to this good novel. <<less
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Arha rated it
July 13, 2019
Status: --
This is basically Baby's First Villainess Isekai and doesn't really feel like the author wanted to write one to begin with. Instead, he just kind of picked up a new fad and told the story he wanted to tell anyway while kind of shoehorning the villainess bits into it. It's not bad by any means, but it leads to a feeling that it's a bit of a waste of the premise.

As far as the story itself goes, it feels like Iris is overpowered even though she has no fighting ability.... more>> She just has too much money, influence and authorial support to ever struggle much or for long. <<less
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Ubiquitin rated it
April 27, 2019
Status: v4
I love this story. There are tons of story about those who are being reincarnated or transported to another world or isekai genre. And this novel is one of those who take it to the top. The plot construction and flow, the character development as well as its introduction, the foreshadowing, integration of modern knowledge, the realism and logic is true and superb. Why? Because there are isekai novels where the actions or the reactions from a certain event or something is far off from real. They go beyond such... more>> that it is creepy and cringe that would make you drop the novel. As observed, this story is focused more on political struggle and fief management since the protagonist is the daughter of the duke. Though as read in other classical literatures, daughters of duke is certainly made for romance as a heroine or a rival or whatever. Since this is a novel, you may could find some trivial problems or plot holes but nonetheless, I love this novel.

Thank you for those who read and I hope that you'd find this review helpful.

Some of you may agree or disagree but nevertheless, I accept and respect them. <<less
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January 6, 2019
Status: c160
I stopped reading the WN for now while waiting for more translated chapters to pile up (reading via AH's translation for reference to chapters that I've read).

I also won't be leaving any star ratings for now, as I feel like it's unfair to rate it when I haven't read the complete work.

Personally thought this was going to be another one of those Otoge styled WN where the female protagonist just changes her personality and suddenly everything goes right. It's true to a certain extent (to go with the general... more>> plotline/hook of this sort of a WN), but I personally felt very intrigued by the female protagonist's way of conquering this. While intrigued, that definitely doesn't mean it's perfect by any means, but it still left me feeling content with every chapter, and I am only agonized over the inevitable slow rate of translation to sate my recent addiction to reading WNs/LNs.


What I liked - I liked how the protagonist uses their older knowledge without any other overpowered 'cheat' abilities that most characters usually get. You find out early on that this female protagonist comes from a business-like background (Accounting if I'm not mistaken) and their business mindset along with some general 'modern lifestyle' common sense, she introduces a plethora of improvements. I honestly thought it was refreshing to see this without the character having to get some insanely overpowered ability. Don't get me wrong, I love those wish-fulfillment stories with overpowered characters too-- but it was refreshing to see this take on a Otoge styled WN. It's definitely not a unique aspect (since I know it exists in other works), but still satisfying to see since each author will depict their take on it differently.

What I disliked - Similar to what I liked, it's more of a 'cause-and-effect' sort of a deal. With all the improvements she's bringing to this world, I'm curious to see why there's no real consequences. I know it's a fantasy world-- but it would be nice to see some more realistic things such as how her improvements can lead to a number of changes that even she cannot foresee with all her modern insight (i.e. Imagine introducing some foreign idea that never existed to an established world, shouldn't it impact far more than just a few neighboring states/the royalty? What of the merchants, the underworld and probably its own web of factions, the nations far away from the source of all this improvements, etc).

I understand it's probably a bit unrealistic to ask for this-- but still it's something I expected, if the author chose to go for a little more realistic approach to changing the world via 'modern knowledge' alone, I would hope they thought about how this would affect their fantasy world. If it's not showing any blatant negative effect and only positive effect, I honestly think it just means the writing lacks a solid world-building knowledge as one major possibility.


Overall, I honestly feel that this story is definitely a recommended read even with some evident flaws that I've outlined above. These are just my opinions however, and probably I'm just nitpicking on a very decent WN. <<less
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Yuuasa rated it
November 1, 2018
Status: v1c1
Great story; the plot of avoiding ones otome villainess doom is the usual but the execution and development of the plot is very different and refreshing. The MC is great and pretty much all the main characters (even side characters too) have great character depth and growth as the story goes along. The only downside to this story is the new translator; not to be unappreciative but the quality has had a severe drop since about chapter 125. (It's almost to the point that I just read the original Japanese... more>> chapters until Asian Hobbyist translated another chapter here and there.)

If you're ok with a sudden downward shift in readability halfway through then this is a great novel to pick up! <<less
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Aigoodantat rated it
August 7, 2018
Status: c68
I like the refreshing general plot of this novel that doesn't play into the typical romantic otome genre. There is some mild romance so far, but the story focuses on how the supposedly "villainous" MC got back up on her feet and moved forward after bad ending.

What I don't really like is the writing style. As many other reviewers mentioned, things get skipped quite a lot in this series, which can be confusing at times and it is also unclear who is speaking which lines sometimes. But some translators did... more>> a great job to help resolve that. Overall this writing style feels like a manga where the little details are left out due to quickly move the story along. Thus, the full potential of this novel did not get flush out despite having an interesting plot. <<less
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ChefofChaos rated it
July 15, 2018
Status: --
I love this series. The only reason I gave it four stars was that some characters seem to pop out of nowhere like Dean or the priest and then it's like "whoa! Wait who's this? When did they show up?"


I really appreciate how this story addresses the games heroine and her motivation for pursuing the capture targets (how each of them are in influential positions to the country).
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JinVodka rated it
June 29, 2018
Status: c120
I really like the story about this since I can how dedicated the author is in creating every character. They all feel like a human to me and the writing is easily readable. Not only that but I found it nice to see the MC having a maid who looks after her. The romance is slow but I like how it builds up and how it progresses. The drama is good and got hit by feels. I also recommended the manga since it is a nice artstyle~

10/10 I sleep late... more>> to catch up even I have a job tomorrow lol <<less
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June 21, 2018
Status: v1c7
I prefer the manga. If you're interested in the plot but find the novel slow/boring, I would still suggest checking the manga out.

I ended up dropping this after only a few chapters. It has nothing to do with the plot -- it has to do with the writing style. It just doesn't really have any visual impact -- no vivid descriptions, strong emotions, or clear imagery. The chapters drag and the character descriptions are vague and aren't fleshed out. (You can only figure out what they look like via the... more>> illustrations.)

It honestly felt more like reading a conversation/chat log than a novel. (I find this common in a lot of Japanese novels.)

Since I dropped it so quickly, I will withhold rating this unfairly. <<less
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Tykos rated it
March 21, 2018
Status: c96
This is an amazing novel which deserves all the praise it gets so I am not going to bother explaining why it is amazing and I am just going to say not to drop this series just because asianhobbyist took it. Just watch it on other sites like lightnovelsonline and enjoy. This show is too good to be dropped because of some greedy translators
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OfficePony rated it
March 21, 2018
Status: --
Honestly, I'm just not liking the method that the latest translators are using to increase their website hit counts. Splitting a single chapter into two or three pages to make it seem like they are getting a lot of ad rev and traffic does nothing for them as what the companies are looking at are unique IP access, not total page hits anymore (at least most of the major ad rev and data companies, not sure about the little guys).

Aside from that, I like this series quite a bit, but... more>> have some issues with the later translators after Japtem. Lots of grammar issues, word flow stumbling, and some places where an editor would have really shined through. Aside from that, the translators are doing a very great job :D Not going to give a proper rating since I'm fairly biased with this series already. <<less
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