The official website of the television anime of Nekotofuit is ONIMAI: I’m your sister now! (Onii-chan wa Oshimai!) manga began streaming the anime’s first promotional video on Friday. The video reveals more cast members for the anime, along with its January 2023 premiere date.
New cast members include:
Hisako Kanemoto as Kaede Hozuki, Mihari’s former classmate
Minami Tsuda as Momiji Hozuki, Kaede’s younger sister
Previously announced cast members include:
Marika Kono as protagonist Mahiro Oyama
Kaori Ishihara as Mahiro’s sister Mihari Oyama
Shingo-Fuji (Mushoku Tensei: Reincarnation sans emploi episode 11 storyboards, director) makes his series directorial debut with the anime at Liaison Studio. Michiko Yokoté (Shirobako, Prison school I like to play everything, Tsurune) is in charge of scripting the series. Ryo Imamura (Mushoku Tensei: Reincarnation sans emploi animation director of episode 11) is designing the characters. EGG FARM produced the series.
Kodansha comics publishes the manga digitally in English, and it describes the story:
Mahiro Oyama was just a normal guy who loved erotic games…until he woke up one morning as a woman! It turns out that his little sister, the mad scientist, Mihari, tried one of her new experiments on him…with disastrous results, as far as Mahiro is concerned! But Mihari is as determined to study it as he is determined to return to his locked down gamer life, and one thing is for sure… life is going to get a lot stranger from now on!
The manga began as a self-published work by Nekotofu in 2017, which they released through pixiv and other places online. Nekotofu spear a regular serialization of the manga in Ichijinshait is comic Rex April 2019 review. Ichijinsha published the manga’s sixth compiled book volume and its second anthology volume on the same day on April 27. Kodansha comics released the fifth volume in English on March 22.