An Observation Log of My Fiancée Who Calls Herself a Villainess
Series Overview
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!
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
1 Season • 12 Episodes
2026 – 2026
Premiered: Mon, Apr 6, 2026
Creative Production Team
Latest Aired Episode
Season 1, Episode 12: “An Observation Log of a Self-Proclaimed Villainess as a Wife.”
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.
Seasons & Episodes Breakdown
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
Official Trailer [Subtitled]Official
Type: Trailer • Published 2026-03-24
Cast & Creators
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Yusuke Kobayashi
Cecil Glo Alphasta (voice)
Miyu Tomita
Bertia Ibil Noches (voice)
Yume Miyamoto
Heronia Inderon (voice)
Ayumu Murase
Shawn Turquoin Alphasta (voice)
Ayaka Ohashi
Joanna Curtswarren (voice)
Shun Horie
Nelt Krum (voice)
Iori Saeki
Silica Lunea (voice)
Yusuke Shirai
Charles Raonel (voice)
Aya Uchida
Anne Kogares (voice)
Hidenori Takahashi
Vald Norgins (voice)
Mao Ichimichi
Cynthia Linnerith (voice)
Atsushi Tamaru
Zeno (voice)
Seiichiro Yamashita
Courtgain Deres Mardan (voice)
Akari Kito
Kuro (voice)
Creative Leadership & Key Crew
Junichi Yamamoto
Akiko Inoue
Yuki Hayashi
Eiki Eto
Akinori Mishima
Teppei Ota, Takahiro Kurisu, 佐藤碧, Yuko Ichizuka, Fumihiro Ozawa
Department Leadership Roster
Teppei Ota
Producer
Takahiro Kurisu
Producer
佐藤碧
Producer
Yuko Ichizuka
Producer
Fumihiro Ozawa
Producer
坂田裕治
Producer
Yuki Hayashi
Original Music Composer
Eiki Eto
Director of Photography
Akinori Mishima
Editor
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
12: Interdit aux moins de 12 ans — 12+ only.
International Certification Matrix
Interdit aux moins de 12 ans — 12+ only.
Mature — Recommended for viewers 15 and older.
Production Stills & Gallery
Official cinematic photography and background stills for An Observation Log of My Fiancée Who Calls Herself a Villainess.
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Frequently Asked Questions About An Observation Log of My Fiancée Who Calls Herself a Villainess
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What is An Observation Log of My Fiancée Who Calls Herself a Villainess about?
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!
How many seasons does An Observation Log of My Fiancée Who Calls Herself a Villainess have?
An Observation Log of My Fiancée Who Calls Herself a Villainess comprises 1 season available to explore.
Who stars in An Observation Log of My Fiancée Who Calls Herself a Villainess?
Key cast members in An Observation Log of My Fiancée Who Calls Herself a Villainess include Yusuke Kobayashi, Miyu Tomita, Yume Miyamoto, Ayumu Murase, Ayaka Ohashi.
Who created or directed An Observation Log of My Fiancée Who Calls Herself a Villainess?
An Observation Log of My Fiancée Who Calls Herself a Villainess was developed and directed by Junichi Yamamoto.