
An Observation Log of My Fiancée Who Calls Herself a Villainess
2026 · TV Series · ★ 8.0
A young woman wakes up inside her favorite romance game as the supposed villainess, engaged to a flawless crown prince. Determined to play the “bad” role and follow the script, she tries to scheme her way to a dramatic downfall—only to find her plans keep backfiring in unexpectedly charming ways.
Also known as Fiance's Observation Log of the Self-Proclaimed Villainess · Observation Records of My Fiancée: The Misadventures of a Self-Proclaimed Villainess · Observation Record of a Self-Proclaimed Villainess’ Fiance
Where to watch
Streaming on Crunchyroll.
5 hours to watch · 12 episodes.
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Details
- Original title
- 自称悪役令嬢な婚約者の観察記録。
- Years
- 2026
- Release date
- 2026-04-06
- Network
- Tokyo MX
- Language
- Japanese
- Max quality
- HD
- TMDB rating
- 8.0/10 (9 votes)
About
You’ll likely enjoy this if you want a light, funny isekai romance where “villain” antics turn into accidental sweetness; Not for you if you prefer serious drama, high stakes, or tightly plotted intrigue.
Pros: playful game-world premise; sweet romantic comedy; lovable lead energy | Cons: predictable misunderstandings; repetitive gag setup; light on stakes
Themes
- prince
- romance
- slice of life
- villainess
- shoujo
- anime
- based on light novel
Cast & crew

Yusuke Kobayashi
as Cecil Glo Alphasta (voice)

Miyu Tomita
as Bertia Ibil Noches (voice)
Episodes1 season · 12 episodes
Season 112 episodes
- S1E1An Observation Log of Meeting a Self-Proclaimed Villainess.24mCrunchyrollAmazon Prime Video
- S1E2An Observation Log of the Self-Proclaimed Villainess's Debut into Society24mCrunchyrollAmazon Prime Video
- S1E3An Observation Log of a Self-Proclaimed Villainess and Entering School.24mCrunchyrollAmazon Prime Video
- S1E4An Observation Log of a Self-Proclaimed Villainess and Love's Cupid.24mCrunchyrollAmazon Prime Video
- S1E5An Observation Log of a Self-Proclaimed Villainess and First Feelings.24mCrunchyrollAmazon Prime Video
- S1E6An Observation Log of a Self-Proclaimed Villainess and the Resolution of the Matter.24mCrunchyrollAmazon Prime Video
- S1E7An Observation Log of a Self-Proclaimed Villainess and Hatred.24mCrunchyrollAmazon Prime Video
- S1E8An Observation Log of a Self-Proclaimed Villainess and Being Struck Speechless.24mCrunchyroll
- S1E9An Observation Log of a Self-Proclaimed Villainess and a Doll.24mCrunchyroll
- S1E10An Observation Log of a Self-Proclaimed Villainess and Cecil Glo Alphasta.24m
- S1E11An Observation Log of a Self-Proclaimed Villainess and the Royal Family.24m
- S1E12Episode 1224m