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

About This Series

An Observation Log of My Fiancée Who Calls Herself a Villainess is an animation and comedy series. Its leading cast includes Yusuke Kobayashi, Miyu Tomita and Yume Miyamoto. It premiered on April 6, 2026 on TOKYO MX. TMDB lists 1 season and 12 episodes so far and has ended. Its original language is Japanese.

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!

Synopsis from TMDB.

Official Trailer

Official Trailer [Subtitled] · plays from YouTube

Cast

• Yusuke Kobayashi Cecil Glo Alphasta (voice) 12 episodes
• Miyu Tomita Bertia Ibil Noches (voice) 12 episodes
• Yume Miyamoto Heronia Inderon (voice) 12 episodes
• Ayumu Murase Shawn Turquoin Alphasta (voice) 12 episodes
• Ayaka Ohashi Joanna Curtswarren (voice) 12 episodes
• Shun Horie Nelt Krum (voice) 12 episodes
• Iori Saeki Silica Lunea (voice) 12 episodes
• Yusuke Shirai Charles Raonel (voice) 12 episodes
• Aya Uchida Anne Kogares (voice) 12 episodes
• Hidenori Takahashi Vald Norgins (voice) 12 episodes
• Mao Ichimichi Cynthia Linnerith (voice) 12 episodes
• Atsushi Tamaru Zeno (voice) 12 episodes
• Seiichiro Yamashita Courtgain Deres Mardan (voice) 12 episodes
• Akari Kito Kuro (voice) 12 episodes

Seasons

• Season 12026 · 12 episodes