An Observation Log of My Fiancée Who Calls Herself a Villainess

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!

About

An Observation Log of My Fiancée Who Calls Herself a Villainess premiered on April 6, 2026. It falls under the Animation, Comedy, Sci-Fi & Fantasy genres. The series has aired across 1 season and 12 episodes. It airs on Tokyo MX. and concluded its run on June 22, 2026.

Why viewers enjoy An Observation Log of My Fiancée Who Calls Herself a Villainess

An Observation Log of My Fiancée Who Calls Herself a Villainess targets fans of Animation anime, especially viewers who appreciate stories that blend Comedy, Sci-Fi & Fantasy elements. This combination of Animation, Comedy, Sci-Fi & Fantasy sets the show's pacing and tone, and explains why it resonates with that specific audience over more general animated programming.

Production

An Observation Log of My Fiancée Who Calls Herself a Villainess was animated by Ashi Productions, AlphaPolis, THE KLOCKWORX, and broadcast on Tokyo MX.

Critical reception

An Observation Log of My Fiancée Who Calls Herself a Villainess holds a rating of 7.7 out of 10 based on 20 user reviews on TMDB, a strong score that reflects broad satisfaction from its audience.

Themes & motifs

Recurring motifs and themes throughout An Observation Log of My Fiancée Who Calls Herself a Villainess include: prince, romance, slice of life, villainess, shoujo, anime, based on light novel. These threads anchor the show's narrative direction and offer a reliable indicator of the kind of viewing experience it delivers.