The Best Seasons of ONIMAI: I'm Now Your Sister!
Every season of ONIMAI: I'm Now Your Sister! ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of ONIMAI: I'm Now Your Sister!!
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...
Genres:AnimationComedy
Network:AT-X