The popular light novel series, Observation Records of My Fiancée: The Misadventures of a Self-Proclaimed Villainess ( Jishō Akuyaku Reijō na Konyakusha no Kansatsu Kiroku), is set to captivate audiences in a new medium. An anime television adaptation has been announced and is scheduled to premiere in 2026.
A Romantic Comedy Comes to Life
Observation Records of My Fiancée is a romantic comedy that revolves around Bertia, a self-proclaimed villainess who believes she has been reincarnated into the world of an otome game, and Cecil, the overly perfect crown prince. Bertia is convinced that her fate is to become a villainess and support the romance between Cecil and the heroine. However, her efforts to be villainous often backfire, and her carefree behavior gradually begins to affect Cecil, who has been living a rather boring life. The story is told from Cecil’s perspective, offering a unique look at Bertia’s antics.
Production Details
The anime adaptation is being produced by Ashi Productions and boasts a talented team.
- Director: Junichi Yamamoto ( Anyway, I’m Falling in Love with You, Maebashi Witches, Why Raeliana Ended Up at the Duke’s Mansion)
- Character Designer: Miki Matsumoto ( Summer Time Rendering, Angels of Death)
- Series Composer and Scriptwriter: Akiko Inoue ( The Ones Within, You and Idol Precure♪, GeGeGe no Kitarō (TV 2018))
Comments From the Creators
The announcement of the anime adaptation has been met with excitement from the original creators.
- Shiki (Author): Expressed delight and looked forward to seeing Bertia’s energetic shouts and Cecil’s inner monologues brought to life. Shiki also mentioned being grateful to everyone who helped make the anime adaptation possible.
- Natsume Hasumi (Manga Artist): Congratulated the team on the anime adaptation and expressed anticipation for seeing the characters in action.
- Junichi Yamamoto (Director): Talked about the fun of directing the series, praising the unique plot and lovable main characters.
Light Novel and Manga
Observation Records of My Fiancée began as a web novel on the Shōsetsuka ni Narō website before being removed by the author in March 2017. AlphaPolis later published it as a light novel under their Regina Books imprint, releasing two volumes in 2017. As of May 2025, the series has sold over 2.45 million copies.
The light novel series also inspired a manga adaptation illustrated by Natsume Hasumi, which was serialized on AlphaPolis’ Regina manga website from May 2018 to August 2021 and compiled into six volumes.
English Release
Hanashi Media has licensed the light novel series in English under the title Observation Records of My Fiancée: The Misadventures of a Self-Proclaimed Villainess. The first volume was released digitally on July 30, 2024.
Story Synopsis
Prince Cecil, exceptionally gifted and bored with his easy life, finds his life taking an interesting turn when he gets engaged to Bertia, the Chancellor’s daughter. Bertia declares that she is the villainess of the story, claiming to have memories of a past life where she was the antagonist in an otome game. She is determined to excel as a villainess and have her engagement annulled, but her plans always seem to fail. Cecil observes Bertia’s attempts, wondering if she is simply misguided in her endeavors.
A Sequel Series
A sequel series titled An Observation Log of My Wife Who Calls Herself a Villainess (Jishō Akuyaku Reijō na Tsuma no Kansatsu Kiroku) began publication in April 2022, with a manga adaptation by Hasumi starting in March 2022.
What to Expect
With its charming characters, humorous storyline, and talented production team, the Observation Records of My Fiancée anime adaptation is highly anticipated. Fans can look forward to a delightful romantic comedy filled with unexpected twists and turns as Bertia continues her quest to become the perfect villainess, much to the amusement (and perhaps eventual affection) of Prince Cecil. The anime is set to premiere in 2026.
