Onii-chan wa Oshimai!
ONIMAI: I'm Now Your Sister!
★ 7.7 / 10
13,925 users
Demographic
Shounen
Official Reading
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Synopsis
Mahiro Oyama was just a normal erotic-game loving dude until he woke up one morning as a woman! Turns out his mad-scientist little sister, Mihari, tried out one of her new experiments on him with a disastrous outcome, as far as Mahiro s concerned! But Mihari is as determined to study him as he is determined to go back to his shut-in, game-playing life, and one thing s for sure life is going to get a whole lot weirder from here on out! Note Includes 57 extra chapters.
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Rank
#598
Popularity
#500
Status
RELEASING
Total Chapters
Ongoing
Release
2017
Author
Nekotofu