Mahiro Oyama
緒山まひろ
He was a hikikomori neet and loner, until he woke up one morning as a little girl thanks to his younger sister drugging him.
Appears in
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★ 7.5
ONIMAI: I'm Now Your Sister!
TV · 2023
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★ 7.7
Ongoing
ONIMAI: I'm Now Your Sister!
MANGA
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★ 7.1
Ongoing
Onii-chan wa Oshimai!: Koushiki Anthology Comic
MANGA
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Onii-chan wa Oshimai! Kaki Oroshi Comic
MANGA
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★ 6.0
Onii-chan wa Oshimai! Tokubetsu-hen
MANGA
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★ 6.0
Onimai Fukudoku Hon: Mihari no Kenkyuushitsu
MANGA
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Onii-chan wa Oshimai! Tanjoubi
MANGA
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Onii-chan wa Oshimai! 7-kan: Tokusouban Shousasshi
MANGA