The BEST episodes of An Observation Log of My Fiancée Who Calls Herself a Villainess season 1

Every episode of An Observation Log of My Fiancée Who Calls Herself a Villainess season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of An Observation Log of My Fiancée Who Calls Herself a Villainess season 1!

Bertia is reincarnated into her favorite otome game—not as the heroine, but as the villainess engaged to the perfect Crown Prince Cecil! Fully aware that her role is to sabotage his future romance, she’s determined to bloom as a wicked flower and wither away according to the story. But no matter how hard she tries to scheme, her “evil” plans only make her more endearing!

Last Updated: 6/28/2026Network: Tokyo MXStatus: Ended
An Observation Log of a Self-Proclaimed Villainess as a Wife.
star
8.22
9 votes

#1 - An Observation Log of a Self-Proclaimed Villainess as a Wife.

Season 1 - Episode 12 - Aired 6/22/2026

It's been two years, and the day of Cecil and Bertia's wedding ceremony has arrived. Believing that Bertia deserves to be the happiest bride in the world, Cecil works hard to fulfill her every wish. Watched over by family and friends, their ceremony proceeds in a way that is uniquely their own.

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An Observation Log of a Self-Proclaimed Villainess and the Royal Family.
star
8.17
12 votes

#2 - An Observation Log of a Self-Proclaimed Villainess and the Royal Family.

Season 1 - Episode 11 - Aired 6/15/2026

At last, Cecil and Bertia commit themselves to each other in the truest sense, but the problem of how to deal with Heronia still remains. In order to keep his promise to Pii-chan, Cecil confronts Heronia.

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An Observation Log of a Self-Proclaimed Villainess and Cecil Glo Alphasta.
star
7.85
13 votes

#3 - An Observation Log of a Self-Proclaimed Villainess and Cecil Glo Alphasta.

Season 1 - Episode 10 - Aired 6/8/2026

Cecil wakes after witnessing Pii-chan vanish into nothingness, but Bertia's anxiety hasn't abated even though the judgement event is over. Cecil convinces Bertia to tell him about the different routes the future takes in the game scenario.

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An Observation Log of a Self-Proclaimed Villainess and First Feelings.
star
7.63
16 votes

#4 - An Observation Log of a Self-Proclaimed Villainess and First Feelings.

Season 1 - Episode 5 - Aired 5/4/2026

Heronia grows impatient with the fact that the situation isn't unfolding according to the proper scenario and her attitude toward Bertia worsens. Since the moment Cecil left to study abroad, the harassment that Bertia faces, presumably spurred by Heronia, escalates by the day.

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An Observation Log of a Self-Proclaimed Villainess and Being Struck Speechless.
star
7.62
13 votes

#5 - An Observation Log of a Self-Proclaimed Villainess and Being Struck Speechless.

Season 1 - Episode 8 - Aired 5/25/2026

It's the day of the graduation ceremony. Bertia is resolved to have the tables turned on her and be struck speechless just as the game scenario dictates, but Cecil has prepared something entirely different. Then Heronia speaks up, accusing the villainess Bertia of heinous crimes.

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An Observation Log of a Self-Proclaimed  Villainess and Entering School.
star
7.56
16 votes

#6 - An Observation Log of a Self-Proclaimed Villainess and Entering School.

Season 1 - Episode 3 - Aired 4/20/2026

Time passes and Bertia enrolls at Halm Academy, the same school as Cecil. At the same time, Heronia, the heroine of the otome game, also enrolls there. Wishing for a happy ending for Cecil, Bertia fights to bring the two of them together.

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An Observation Log of a Self-Proclaimed Villainess and the Resolution of the Matter.
star
7.50
16 votes

#7 - An Observation Log of a Self-Proclaimed Villainess and the Resolution of the Matter.

Season 1 - Episode 6 - Aired 5/11/2026

When Cecil learns that Bertia has been pushed down the stairs, he's assailed by an emotion he's never experienced before. Together with the members of the student council, he sets out to take retribution. They gather everyone in the courtyard in order to catch the true culprit.

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An Observation Log of a Self-Proclaimed Villainess and a Doll.
star
7.45
11 votes

#8 - An Observation Log of a Self-Proclaimed Villainess and a Doll.

Season 1 - Episode 9 - Aired 6/1/2026

Cecil has been knocked unconscious by the light spirit, Pii-chan, who makes him live in a what-if world in a realm of pure consciousness. The Cecil of that world, where everything unfolds according to the game's original scenario, is as cold and emotionless as a doll, and as Cecil experiences that for himself, his own consciousness begins drifting closer to that of a doll, too.

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An Observation Log of a Self-Proclaimed Villainess and Hatred.
star
7.31
13 votes

#9 - An Observation Log of a Self-Proclaimed Villainess and Hatred.

Season 1 - Episode 7 - Aired 5/18/2026

Upon advancing to the high school division, Bertia begins avoiding Cecil. After turning the situation over in his mind, Cecil visits his father in order to investigate the nature of the Maiden of Destiny. The fated day, the graduation ceremony, quickly approaches.

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An Observation Log of a Self-Proclaimed Villainess and Love's Cupid.
star
7.20
15 votes

#10 - An Observation Log of a Self-Proclaimed Villainess and Love's Cupid.

Season 1 - Episode 4 - Aired 4/27/2026

In order for Cecil to find happiness with Heronia, avoiding the reverse harem route is essential. For that reason, Bertia has decided to become love's cupid, pairing Cecil's personal aide candidates with other noble ladies.

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An Observation Log of Meeting a Self-Proclaimed Villainess.
star
6.86
21 votes

#11 - An Observation Log of Meeting a Self-Proclaimed Villainess.

Season 1 - Episode 1 - Aired 4/6/2026

When Crown Prince Cecil is ten years old, he takes Bertia as his fiancée. She claims to have memories of her past life, and says that this is the world of an otome game she once played. She also says that she is a villainess. Cecil is generally bored, but her extraordinary statements spark curiosity in his heart.

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An Observation Log of the Self-Proclaimed Villainess's Debut into Society.
star
6.75
16 votes

#12 - An Observation Log of the Self-Proclaimed Villainess's Debut into Society.

Season 1 - Episode 2 - Aired 4/13/2026

Bertia struggles to correct the scenario she has unintentionally altered. At the same time, Cecil enters Halm Academy, a boarding school. During this time in which the two of them spend more and more time apart, Bertia's mother becomes pregnant and it leaves Bertia worried about one thing.

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