My Sister the Heroine, and I the Villainess


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Upon meeting the girl who would become her adopted younger sister, the duke’s daughter Christina regained memories of her previous life. Through those memories, she learned that her new sister, Mishuli, was the heroine of a certain story. And though the story depicted a Christina who abused her sister, the real Christina turned into a siscon who spoiled Mishuli to no end.

Unfortunately, one day, Christina realized something. The best future for Mishuli depended on that story’s ending. And by following that story, whether it was execution, suicide, or exile, nothing fortunate would await Christina.

Even knowing this, Christina would not waver.

It was all for the sake of her sister.

This is a story about a siscon girl who ignored her own destiny, to bring happiness to her sister.

Associated Names
One entry per line
Heroine na Imouto, Akuyaku Reijo na Watashi
Related Series
Gomen ne, Onii-sama (2)
I Reincarnated into an Otome Game as a Villainess With Only Destruction Flags… (2)
Dare ga Otome Geemu Dato Itta! (1)
I Appear to have been Reincarnated as a Love Interest in an Otome Game (1)
The Elf Is a Freeloader (1)
I Refuse to be a Supporting Character (1)

Latest Release

Date Group Release
01/19/19 Light Novels Translations c96
01/17/19 Light Novels Translations c94
01/16/19 Light Novels Translations c93
01/11/19 Light Novels Translations c92
01/10/19 Light Novels Translations c91
01/09/19 Light Novels Translations c90
01/05/19 Light Novels Translations c89
01/04/19 Light Novels Translations c1
01/03/19 Light Novels Translations character notes
01/02/19 Light Novels Translations c88
12/29/18 Light Novels Translations c87
12/28/18 Light Novels Translations c86
12/26/18 Light Novels Translations c85
12/21/18 Light Novels Translations c84
12/20/18 Light Novels Translations c83
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11 Reviews sorted by

New YoriMei rated it
January 9, 2019
Status: c90
A lovely read, the beginning is chocked full of fluffy shenanigans of Chris and the crew as children. If you enjoy slice of life stories with a hint of sister complex, you’ll enjoy the beginning. If not, almost every chapter until maybe chapter 78 or so is gonna be a power battle to slug through. I will say though, once you hit chapter 80, the story ramps up incessantly; and the chapter where her teacher tells her to “love your fate” is a cold and interesting one.

Overall, this story falls... more>> in the line of those “Bakarina”esque stories, a lovely but quite oblivious protagonist who tries to become a villainess (although this one tries to throw herself into the bad end) and doesn’t quite realize she’s too loved to achieve her goal. It’s a good read, although the actual plot doesn’t pick up until literally, near the end. <<less
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New LysUltima rated it
January 9, 2019
Status: c90
This novel is great. It's amazing.

It starts off slow. Fluff rom-com, and honestly not that different from other otome game reincarnation novels for the first 80 chapters.

It's written well, though, and Michelie and Christina's interactions, while repetitive, never fail to trigger my inner diabetes. Worth the read as a fluff SoL, similar to Loner and Juliet and Reincarnated as My Little Sister.

Now, if you've made it to c80, the story truly starts getting good. It changes from a fluff SoL to a masterpiece of feels that equals the works of... more>> Jun Maeda. The previous 80 chapters of fluff build up to this point, and you will agree with me that My Sister the Heroine is the absolute best novel in its genre. <<less
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Cryarc rated it
November 19, 2016
Status: c114
Overall a nice read even though in the middle of the story it's veering away from the initial premise and kind of lacking direction, fortunately the author is back on track in the last two arc. 70% of the story seems like prologue and introduction of the characters, which is fun on it's own way but feels like a filler after reading to the end. 30% of the last story is the meat of the story as described by the synopsis above.

The MC Christina is a genius that can do... more>> everything perfectly if she wanted to, her actual personality is rather frank and bratty but she can also put up an act to be a lady with perfect ethic and conduct, but she's an airhead when it comes to personal relationship. Mishuly is a cute little sister which supossed to be the main premise of the series but unfortunately she's being sidelined for half of the series.... And Mariywa is a strict tutor who can teach basically anything, she's having the bearing of a last boss lol for Christina lol. <<less
30 Likes · Like Permalink | Report
PhoenixVII rated it
August 23, 2016
Status: c2
Looks good so far. The MC, Christina is reincarnated into a world based on an otome story. She's born into a ducal household with a doting father, a whip-wielding Spartan teacher that must've emerged from the darkest corner in the deepest level of Hell, and an adorable little sister who she'd do anything for. Alas! The character the MC reincarnated into was a villainess in the original story that bullied the little sister and as a result, all the good ends for the little sister are bad ends for Christina... more>> here.

'Bout all I can say so far. MC has her memories and is... apparently a genius who finished reading all the books in the entire ducal library by the time she was 5, but no other OP powers have been revealed so far. Looking forward to more updates! <<less
10 Likes · Like Permalink | Report
Kage Souls
Kage Souls rated it
September 9, 2018
Status: c42
I really like this, I mean like holy cheese! I can't wait for the next chapter ˶⚈Ɛ⚈˵ (I am at chapter 42)

I like how she is unique in a way, she isn't really trying to destroy her death flags but finding a way for her sister to be happy! Naww sister love ღゝ◡╹) ノ♡ As an older sister myself I am kinda jelly because I can't really act that way to my sister ╥﹏╥ If one of us does act in a loving manner the other would say "Who... more>> are you?" or "Ewwwww".

Anyways as always, the protagonist is quite dense ain't she? I don't really have much of a problem with it or something I m just waiting for her, I mean how long is it going to take to get to the school? I mean its been 42 chapter and she is like what 4 years before she can get in? (- _-)

In conclusion, this is why I failed all of my essays (And disappoint my Parents) because I can not explain things properly. ¯\_༼ ಥ ‿ ಥ ༽_/¯ <<less
8 Likes · Like Permalink | Report
LazyDays rated it
August 31, 2018
Status: --
Forget Christina, the true last boss is Mariywa!

That said, Christina is truly an adorable character, with her flamboyant behaviour. Reminding you of Bakarina's charisma and complete disregard for propriety, MC is 1000% committed to loving her sister.
6 Likes · Like Permalink | Report
TheFakeGentleman rated it
October 1, 2017
Status: --
A light hearted slice of life story, the characters are intresting (and cute), but also feel real, from their actions to their way of speech.

The story isn't anything incredible, but as we're not given many clues, it's difficult to see plotwists coming or even what's going to happen or how a certain situation is going to end.

As for the translation, there are a few differences since at the start the translators changed two times, but there are only 2-3 not so impportant differences.

Since I'm too lazy to write more I'll... more>> just say this: read it, you won't regret doing so (づ⇀ᴥ↼) づ! <<less
6 Likes · Like Permalink | Report
May 16, 2016
Status: c1
Too early to make a definitive review, but the premise is great and I like the characters so far. No sign of the main plot so far, its just an introduction to the sisters and the MC's tutor apparently. Well, either way, looking forward to future updates.
5 Likes · Like Permalink | Report
Shio rated it
August 26, 2018
Status: c27
It's not that bad.

Usually I hate stories that glorify one character since it's exhausting to read "Kyaa XXX is so cuteeee~" 100x times.

Now, in this story the MC do adore her little sister, and the cursed sentence written above do appear a lot, but it still does have something else going on. There's doubt on MC side whether she should continue to spoil her sister or if she should follow the story to give the lil sis "proper happy ending", which makes me anticipate what will happen next.

I do hope... more>> there will be more character and for the story to not always revolve around the MC, but well. You know what to expect from the story from the summary. Just don't hope for anything too deep <<less
4 Likes · Like Permalink | Report
Nana (ノ◕ヮ◕)ノ*:・゚✧
Nana (ノ◕ヮ◕)ノ*:・゚✧ rated it
November 28, 2016
Status: c5
Slightly dense MC that gives fuwa-fuwa feeling, a doting father and adorable younger sister. Recommended for those sweetness-seeking.
4 Likes · Like Permalink | Report
AriettaPen rated it
November 18, 2018
Status: c70
This story definitely brings a smile to my face. The characters are charming, even though they lack a bit of intelligence. The protagonist isn't to the extreme of Bakarina, as she can handle herself in high society. The progress is a bit slow though..
3 Likes · Like Permalink | Report
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