An official website and X (formerly Twitter) account opened today announced that a TV anime adaptation of Shiki and Wan Hatipisu's An Observation Log of My Fiancée Who Calls Herself a Villainess light novel series is in the works for a 2026 broadcast. The below teaser visual was unveiled, along with main staff details. An Observation Log of My Fiancée Who Calls Herself a Villainess Teaser Visual RELATED: Heroine? Saint? No, I'm an All-Works Maid (And Proud of It)! Anime Adaptation Announced Junichi Yamamoto ( Why Raeliana Ended Up at the Duke's Mansion ) directs the An Observation Log of My Fiancée Who Calls Herself a Villainess anime at studio Ashi Productions, with series composition by Akiko Inoue ( Scarlet Nexus scriptwriter) and character designs by Miki Matsumoto ( Summer Time Rendering ). Alpha Manga digitally publishes an official English version of Natsume Hasumi's manga adaptation, describing the story like so: Because Prince Cecil is extraordinarily intelligent, life is boring for him. His days are without much excitement, but he becomes engaged to Bertia, the daughter of a marquis. The first thing she says to him when they first meet is quite baffling. She claims she is the "villainous heroine" in the story of his life!! According to Bertia, she has memories of her previous life. In a certain "romance game" she played in her life before, she played the character of the "villainess." Her purpose in her new life is to become an exemplary villainess and ruin the prince's engagement. In order to achieve this goal, Bertia does one outrageous thing after another and brings chaos and confusion into his life. A unique "love" story with a twist!! Source: Comic Natalie
