Common Sense of a Duke’s Daughter (LN)


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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
Accomplishments of the Duke’s Daughter
Koushaku Reijou no Tashinami
Related Series
Common Sense of a Duke’s Daughter (Web Novel)
The Manual of a Duke’s Daughter (Spin-Off)
Common Sense of a Warrior (Prequel)
Return of the Female Knight (2)
The Male Lead’s Villainess Fiancée (2)
Common Sense of a Duke’s Daughter (1)
Every Day the Protagonist Wants to Capture Me (1)
I’ve Led the Villain Astray, How Do I Fix It? (1)
It’s Not Easy Being Your Love Rival’s Big Brother (1)
Recommendation Lists
  1. clan/city building
  2. Transmigracion
  3. Novels that got me obsessed
  4. Favorites (Webnovels & LIght Novels)
  5. Female MC : Saint- Sage , and similar abilities

Latest Release

Date Group Release
10/07/18 Yado Inn v3c12 part4
03/01/18 Yado Inn v3c12 part3
11/23/17 Yado Inn v3c12 part2
11/09/17 Yado Inn v3c12 part1
09/21/17 Yado Inn v3c11
Write a Review
7 Reviews sorted by

leva rated it
March 24, 2018
Status: v3c12 part3
The better written version of the WN.

If you're not familiar with the webnovel version, the gist of the story is Iris' life after being appointed representative duke to her father's fief. She's using her knowledge from her past life to push for various reforms in the fief--things unthinkable in the monarchy and aristocracy setting.

Selling points:

  • Strong af female MC who doesn't kill people. Well, not directly....
  • Reasonably not omniscient and omnipotent MC. Some would argue that she knows too much about some things, but I think those can be sort-of handwaved... I do know some rather random things too....
  • Excellent buildup to main conflict. The arcs are all overarching into the climax, and it gets really intense later.
  • You get chapters dedicated to the view of other characters, even, dare I say it, cannon fodders. It gives depth to a heck lot of side characters.
  • You have chronic Second ML Syndrome (just like me) ??? This will cure you. At least during reading this novel. Lol.
Not-selling points:

  • THE f*ckING s*upid SECOND PRINCE. *cough* I mentioned that some chapters are dedicated to cannon fodders and side characters. Well, 2nd prince must be neither cannon fodder nor side character... because he don't got any. Which is also weird as heck, because he was Iris' fiance. His character is the most flat, unexplored template of lovestruck idiot. He's so cannon fodder even his 2nd fiancee colluded with his mom instead of him.
  • First Prince too f*cking perfect. I mean he's basically MC but male, with strong martial arts so he can protect her... *cough cough* I'm not complaining though
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Shion11 rated it
September 21, 2017
Status: --
Unlike the normal cliched, I'd avoid my dead flag scenario, this story started when Iris was already at the confrontation scene. And how she handles the situation afterwards.

The plot's really nice, and it has likeable characters.
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stolemyowncar rated it
June 11, 2021
Status: --
I've read vol 1 on the LN (which is all I see up at the moment). This is basically: "City/domain/business management game, isekai otome game edition". Legitimately. Everything and every character in this basically is introduced for no other reason than to show us how the author would run a things. Nothing else has meaning.

Oh she needs trustworthy starting allies? Well that's fine. She has an army of orphans that she happened to pick up off the streets. Just coincidentally you know. You just never heard about it in the... more>> original game, okay? It just wasn't fleshed out, okay? Her mother is also the flower of high society and every family connection ends up being useful. Great.

Money? Nah that's in the bag, she reincarnated as a villainess and they're always rich.

Talent? It's okay, the MC was a past tax accountant who apparently was way overly intelligent for her role and knew a little too much about the government's internal workings. Oh wait maybe that's why she was killed! It wasn't an accident after all?! Also by the way like every other female protagonist in an isekai these days, she dabbled in creating homemade lotions and beauty products.

Also like every other isekai world they haven't exploited some basic resources nor created any beauty products, sweets, soaps, etc. Great.

It's just trope after trope as far as the actual story is concerned. In some ways it's unique because if you like games like the Civilization series, well... Don't worry! That's basically all of the content of this entire book. The interpersonal relationships are just tacked on for funsies. Like her first meeting with the brightest head merchants in the entire domain basically involved her wowing them and getting all of her policies to go through without any real debate from them. It just progresses so smoothly that it's pointless.

I happen to like those management games to an extent so actually I somewhat like this and will keep reading, but when objectively reviewing it, it's kind of... bad... <<less
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Scout4Pearls rated it
April 18, 2020
Status: v3c11
I fell in love with the manga and then the novel! Great main character and really detailed to read.

... more>> As mentioned in other reviews, the story basically begins where usually the villainess is dejected and leaves to govern her own land under her family's name. You follow her making these decisions and becoming an amazing leader. What I loved the most about the series is the the fact that the villainess is working through her emotions of everything that's happened which adds really interesting additional dialogue. She's also not perfect, you follow her through different emotional turmoils that kind of burst through at times because she doesn't have time to deal with them.

I personally found her relatable in that you have to keep pushing through hardships and it was lovely to see her really take charge of her own destiny regardless. <<less
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dollonice rated it
May 2, 2021
Status: Completed
I really enjoyed this novel. I love the character developments and the story progression. I also like the realistic approach to the romantic relationship between the MC and ML. The story is different from the usual 'otome' stories because the plot starts right where the villainess' misdeeds are exposed and goes onto her journey of discovering herself and what she can do.
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Kaylee rated it
April 20, 2020
Status: v3c11
A heavy business management (well, almost all abt bank tax and financial stuff is totally a mumbo jumbo for me T T)

More to how a salary woman living her reborn life as a duke daughter and implement her knowledge to do business and eventually the modern salary woman is no where, she's already merging as a human from an isekai.

A good read imo
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klickbait rated it
April 3, 2020
Status: --
So cliche! (¬_¬)

I really don't know what came over me that I decided to torment myself knowing how utterly foolish and cliche this story is.

Here we are again, Irish the indestructable MC. Irish who can do anything, be the smartest, kindest, cleverest and purest person to ever exist in the entire universe proving herself again just how important she is with all her wits and glory. (Sigh)
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