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 (15)
Genjitsushugi Yuusha no Oukoku Saikenki (10)
Tensei Oujo wa Kyou mo Hata o Tatakioru (8)
Haunted Duke’s Daughter (7)
I Reincarnated as a Noble Girl Villainess But Why Did It Turn Out This Way? (7)
It Seems Like I Got Reincarnated Into The World of a Yandere Otome Game (5)
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Latest Release

Date Group Release
11/19/19 Asian Hobbyist c224
11/18/19 Asian Hobbyist c223
10/30/19 Asian Hobbyist c222
10/28/19 Asian Hobbyist c221
10/25/19 Asian Hobbyist c220
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09/28/19 djurasico c256
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134 Reviews sorted by

ValSkye rated it
September 14, 2017
Status: c82
This is one of my favorite novels here, translated by one of the best translation groups. I love the fact that the MC is a strong woman, who doesn't simply cry or try her best to win the 'engaged partner', like most of the reincarnated villainess stories. After being expelled from the school and publicly humiliated, she decided to built her reputation little by little, with the help of her trusted personnel. Granted that her knowledge about certain things may be exaggerated a little, other than that, I like the... more>> things that she does to built the land entrusted to her by her dad. The romantic relationship also flows nicely without any cliche story of "love at first sight" or typical shoujo doki-doki moment.

Translation wise: So far the translators did a good job at translating this novel. Thank you to all translators for doing a good job here. <<less
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Vctr_vc rated it
July 25, 2017
Status: c74
I found Duke Daughter through a manga but the manga version is so slow and I can't bear wait any longer 😣😣😣

So I drown my self in the internet looking for development of Iris life and here I am reading through 74 chapters within a day until my eyes hurt. I've warning myself to stay away from the screen but the story keep provoking me.

I love how the story developed. It's not slow nor fast. The MC is very clever, beautiful, independent, and so kind she's almost perfect.

I hope japtem... more>> continue this light novel soon. I'm carve for DD spoiler and couldn't resist to read the raw which never happen before. I only got slightly hint from the raw, because google Translate did it job awfully. So all I have to do is patiently waiting for the next chapters translated. <<less
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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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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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BLKCandy rated it
June 28, 2016
Status: v1c28
While the focus on the business and politic is quite interesting, the pacing is simply too damn fast and MC just keep raking in achievements with minimal problem. Details have been skipped. It feels like everything has been hand waved.

For example, she started a business from nothing to success in two short chapters. And establishing banks in another few chapters. The challenges of making business and financial institution are ignored.

The worst part of the novel though, is the execution of its premise and its characters. No, the MC is not... more>> hated, or even that disgraced. She is loved by many influential people and her own vassals. Her land is rich and she has control over it. She does not need to recover from any hardship that was promised. She just need to build an already reasonably developed land.

And the real 'villains' the 'heroine' and the capture targets are just pathetic spoiled kids.

Decent, cannot say it is great, bit at least decent. <<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 stupid like a lot of the other ones out there. (MC is actually smart)

.... read. ^-^
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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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PardoilGhepardo rated it
August 22, 2018
Status: c10
The premise of this novel is quite good and has a lot of potential, however there are a lot of problems:

-The MC is just way too perfect and super intelligent, in other WN the protagonists are just stupid and dense, but here we have the total opposit, with her knowledge from the real world she can solve every problem without any sort of struggle.

-The author skips a lot of details, for example: the MC has to visit her land to know what's going on, in the next chapter she tells... more>> us that she did it, but we don't know how, when and what happened while she was visiting.

-Another thing that I dislike about this novel is the army of capable servants that the MC has at her disposal. These servants are the poor children that she picked up in her childhood, they have no personalities and are just tools that the MC uses when in need. <<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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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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happy_panda rated it
January 16, 2018
Status: c84
2.5 star. Very weird novel. Bad writing style with unnecessary information as "i sat down, ordered a tea, drank the tea, stared at the empty cup blah blah blah" which is very tiring to read. No emotional depth, romance is stagnate. The female lead is not all that interesting, other than thee first scene her life is filled with allies, rich land, and everything a ruler would need. She is depicted as a Madonna and everyone is overproctive over her. She is like the Queen that is surrounded with servants... more>> as she picks up strays on the way: people that act like slaves who feel morally indebted to her, instead of friends. Also too self righteous. The business and govornment aspect could be refrshing but fails to be, as very often it is stated how she reads all the reports and works alot, but doesn't explain in depth how the changes are made, except for descriptions in the lines of "silk is very hard to obtain and although she doesn't know how to produce, magically in the next scene she is wearing a silk dress". The only thing interesting in the novel is that you get to know other peope's perspectives as well. <<less
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Walkingpineapple rated it
July 28, 2017
Status: v2c51
Love reading the Light novel and also the manga. Whats great and also different, about this particular villainess noble story is that there isn't much physical action as there is mind (?) action (?). The story goes more depth with how/whats making her business go boom! Very interesting and I like.
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PandaPanPan rated it
June 17, 2017
Status: c5
Good gods, I think I've read ads in the phone book with more words than the small amount of words per chapter this story has to offer. I couldn't get pass chapter 5, which really felt like it should've been part of the first part of chapter 1 - in terms of pacing and length. Everytime the story started to pick up speed, the chapter comes to an abrupt end. Can't find myself willing to recommend this to anyone to read - as there other similar stories out there like... more>> this that're written better with far better pacing. <<less
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EdemaRuh rated it
March 30, 2017
Status: c70
It's another example of a great city-building novel. But generic it is not.

I have a lot of complains with this book, but it's 5 stars?? Idek why tbh, it's a really attractive read. The novel does have some huge issues, for example, the time jumps for instance, terrible idea, it results in the novel losing its elegance in a sense. (E.g. I implement plan, and bam a week later project is done) it's as if the author realises the something was required, so let's introduce it in so that I... more>> have it available. Tbh, it doesn't really affect the story too much, just me nitpicking.

But then, the plot!!! Ingenious I tell you, truly a spectacular!

To me, the author doesn't seem to present them too well, lacks a bit of tension, especially when the plot twists are sometimes a tad bit too transparent.
Of course, it's just a personal opinion. However, it's fresh. And there's nothing worse then picking up a book and finding it similar to the past 100 books you've read. The storyline itself is what takes the cake. Albeit the character development is a bit lacking, the author introduces heaps of spectacular scandals and twists. The economic ideas and what-nots (the city-building aspect of the novel) is the best I've ever read.

Finally, here's a necessary non-spoiler. To those of you complaining about the missing romance aspect of this book. I'm at chapter 70, read till chapter 70 and you will complain no more. <<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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