An Observation Log of My Fiancée Who Calls Herself a Villainess (2026)

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April 3rd, 2026

2026

12 Episodes

7.4

ONA

RELEASING

Episode 9 airs Fri May 29, 2026 (2d 7h)

Synopsis

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! (Source: Crunchyroll) Note: Jishou...

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Episodes

12 Episodes

Ep 19.7

An Observation Log of Meeting a Self-Proclaimed Villainess.

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.

Ep 29.3

An Observation Log of the Self-Proclaimed Villainess`s Debut into Society.

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.

Ep 39.0

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

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.

Ep 49.1

An Observation Log of a Self-Proclaimed Villainess and Love`s Cupid.

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.

Ep 59.1

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

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.

Ep 69.5

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

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.

Ep 78.4

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

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.

Ep 89.2

Episode 8

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.

Ep 9