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Manga Info
Jishou Akuyaku Reijou na Konyakusha no Kansatsu Kiroku  
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Crown prince Cecil was so brilliant that everything in life was easy to the point of boring him, then one day, his fiancée Bertia suddenly said "Prince Cecil, I am a villainess!" Claiming that this world is the same as that of an "otome game" from her past life and that she is playing the role of the "villainess" in it, she aims to play her part well and have their engagement annulled. With that goal in mind, she sets about causing turmoil in Cecil's daily life.


Related Series

Associated Names
An Observation Record of my Fiancée - A Self-Proclaimed Villainess
Fiancé's Observation Log of the Self-proclaimed Villainess
Fiancée’s Observation Log of the Self-proclaimed Villainess
Observation Record of a Self-proclaimed Villainess’ Fiancé
자칭 악역영애 약혼자 관찰일기 모음

Groups Scanlating

Latest Release(s)

in Country of Origin
5 Volumes (Ongoing)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 8.5 / 10.0 (165 votes)
Bayesian Average: 8.18 / 10.0

Last Updated
February 2nd 2021, 10:04am PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Regina (Alpha Polis)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #399 increased(+132)
Monthly Pos #786 decreased(-290)
3 Month Pos #677 decreased(-62)
6 Month Pos #573 decreased(-138)
Year Pos #427 decreased(-210)

List Stats
On 1184 reading lists
On 133 wish lists
On 26 unfinished lists
On 219 custom lists

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User Comments  [ Order by usefulness ]
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Sickly sweet  
by noobzilla
February 5th, 2021, 1:05pm
Rating: N/A
Overload of ditsy cuteness. If you like that sort of thing go ahead. The lack of true adversity is so little, I might as well be reading a toddlers bedtime story. Not recommended.
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Quite frankly, simply adorable  
by periwinkle
December 11th, 2020, 10:09am
Rating: 9.5 / 10.0
This is a series I keep going back to, and in fact has become a standard by which I measure other isekai/otome isekai against. The pacing is excellent, the characterization of everyone is amusing, and the motivations underlying the plot are comprehensible (within the logic of the fictional world).

This story is told from the point of Cecil, the prince and love interest to the heroine. He meets the female lead, Bertia, as a child where she announces she is a villainess and promises to live up to her assigned role for his sake. The prince begins as a cynical, cold young prodigy but through their interactions and his growing fascination with her, he warms to people and builds a foundation of friends and companions. The fact you're able to see from his point of view what he thinks of Bertia makes this character growth realistic. He has a surprising amount of self-awareness (especially for a shoujo manga lead).

The support characters are done pretty well as each of them has personalities and interests. They're friends of the main characters and are reverent towards them, but also have their own love interests. I wouldn't call them well-developed since the series is so short and you only see a snippet, but it's enough to draw you in and hope for their happiness. However, one criticism I do have is that all the female faces look very, very similar. You end up relying on hair to tell people apart.

Spoiler (mouse over to view)
My favorite thing is that the plot that Bertia pushes them towards makes sense. She knows the alternate endings and outcomes if the prince loses. She recognizes and embraces that this reincarnated world is her life, and there are consequences for choices. Her stubbornness ultimately pans out, as the fact she and not Heronia was the one to thaw the prince's heart made for a happier outcome for everyone. I might go as far as to say one of the themes is to be kind and do things for other people. A simple lesson to learn but hey, this is a shoujo manga.

Needless to say, I highly recommend this manga and anticipate I'll be revisiting this in the future on many, many re-reads when I'm tired of waiting on releases for manhwa that have gone on for many times the length (lol). Honestly, that's one of the best parts of this story--it ends.
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i love it  
by Miachann
December 5th, 2020, 9:47pm
Rating: 10.0 / 10.0
I love this so much uwu
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wow this is super cute  
by moonmystery
July 12th, 2020, 11:18pm
Rating: 8.0 / 10.0
chapter 27-29 got somewhat frustrating to read, but this is an otherwise adorable manga series!
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This is one of my all time favourites.  
by Yorda
September 17th, 2019, 2:54pm
Rating: N/A
It's short, cute, and funny. Bertia and her fiance are always making me laugh. If you are a fan of these very specific niche otome game "medieval fantasy villainess reincarnation/transmigration royalty/nobility" stories, then this is a great one to add to your reading list.

The plot from start to finish is complete and makes sense.

The most unique aspect of this story is that it is from the perspective of the prince (fiance), who is actually fairly interesting and intelligent. It's refreshing to have a character who is very observant and objective be the MC rather than the villainess or heroine.

It reminds of, "Albert Ke no Reijou wa Botsuraku wo go Shomou desu", because both stories have villainesses that go straight towards their destruction end with complete happiness. Villainess Bertia is far stupider, but Villainess Mary is clearly more foolish. I'll leave it to you to decipher what I mean.

... Last updated on May 6th, 2020, 3:17pm
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Bertia is incredibly adorable!!!  
by Ariel_s_Awesome
June 30th, 2019, 12:31pm
Rating: N/A
In this one the protag is too kind and honest to be a villain, she tells her fiance (the prince and heroine's love interest) all about everything she's learned from playing the game to his amusement, and her attempts to follow the story path end up completely derailing it.

So instead of a villainess she comes off as an energetic quirky girl who keeps saying strange things and is completely unpredictable.

This is such a fun series, I was laughing more than I have in a long time.
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Bertia (female lead) is not what she seems to be...  
by soysuva
January 28th, 2019, 11:02am
Rating: 8.0 / 10.0
As stated by another reader, Bertia may appear dumb on the outside, but that's because we're looking at it from the male lead's point of view instead of the female lead (Bertia). Opposite of where we would originally see from these types of novels. It's a nice change and an interesting aspect seeing from the male lead's POV.

And later on in the story, when she converses in a conversation with the male lead, you come to realize Bertia isn't as stupid as it would seem (she is stupid in her common sense department, but not completely). Yes, she is naive and a bit slow on perceiving other people's feelings, but that's because she already has a mindset that she will get the "downfall" ending. So she perceives everything as a "villainous fate" and doesn't think things would go in a different course with the male lead's romance in the Otome Game. That's why Bertia closed off her feelings towards the "Prince", whom she has come to love, instead of embracing it.

I read a bit further than most people who read this manga, since I've already read most of the chapters in the original novel. This is a great book and reminds of a lot of reincarnation novels (Chinese and Japanese novels) I've read before. I would recommend this for the silliness and the fun antics of both the main leads of this manga/novel. As the saying, "The Android Prince finally has a heart". 🤣

... Last updated on January 28th, 2019, 9:24pm
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super hillarious :))  
by mandulas
January 14th, 2019, 10:11am
Rating: 9.0 / 10.0
The prince is like a super S while the so called villain is too cute and obviously a true fan of Otome game who would do anything so your canon come true 🙂) I laughed my ass off every single page. Totally recommend this manga and light novel 🙂))

... Last updated on June 20th, 2019, 9:17am
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Don’t be fooled by the tags!  
by theabbster1
November 17th, 2018, 10:26pm
Rating: 9.0 / 10.0
The heroine is not as stupid as you might think. She is reincarnated so everyone thinks she’s stupid and making up stuff about the future! She is slightly slow I’ll admit but adorable.
Love the art and I think the story is funny and cute.
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