Trailer
Seasons & Episodes
Searching for watch ONIMAI: I'm Now Your Sister! season 1 online? Use the episode list below.
Watch ONIMAI: I'm Now Your Sister! (2023) online, explore episodes, cast, trailers, ratings, and series information.
Synopsis
When lazy, erotic-game loving Mahiro Oyama is transformed into a girl by his younger scientist sister's experiments, he becomes determined to change back, only to recognize that with his new opportunity, he may want to turn his life around.
Keywords
slice of life, middle school, based on manga, junior high school, school life, ecchi, anime, gender swap, age change, grand, middle school girls, japanese junior high schooler, enraged.
Stills
Similar series
School Rumble, Daily Lives of High School Boys, The Disappearance of Nagato Yuki-chan, Shikimori's Not Just a Cutie, Non Non Biyori, Wasteful Days of High School Girls, Alya Sometimes Hides Her Feelings in Russian, Miru Tights, Maison Ikkoku, Himouto! Umaru-chan.
Main cast
