緒山みはり
Mahiro's little sister. A genius scientist that skipped grades and is now attending college. She is responsible for drugging Mahiro, turning him into a young girl.
ONIMAI: I'm Now Your Sister!
TV
MANGA
Onii-chan wa Oshimai! Koushiki Anthology Comic
Onii-chan wa Oshimai! Kaki Oroshi Comic
Onii-chan wa Oshimai! Tokubetsu-hen
Onimai Fukudoku Hon: Mihari no Kenkyuushitsu
Onii-chan wa Oshimai! Tanjoubi
Onii-chan wa Oshimai! 7-kan: Tokusouban Shousasshi
