Mihari Oyama
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.
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