Character profile
Mahiro Oyama
緒山まひろ
Mahiro Oyama is a main character in ONIMAI: I'm Now Your Sister! (2023). This page lists 1 anime and 7 manga, voiced by Marika Kouno (JAPANESE) and Reimi (JAPANESE).
About Mahiro Oyama
He was a hikikomori neet and loner, until he woke up one morning as a little girl thanks to his younger sister drugging him.
- Gender
- Female
- Birthday
- March 6
- Also known as
- Mahiron
Who is Mahiro Oyama?
Mahiro Oyama first shows up in our catalog in ONIMAI: I'm Now Your Sister!, from 2023, as a main character. They are also known as Mahiron.
Voices and appearances
In Japanese, Mahiro Oyama is voiced by Marika Kono.
Quick questions
What anime is Mahiro Oyama in?
ONIMAI: I'm Now Your Sister!.
Who is Mahiro Oyama's Japanese voice actor?
Marika Kono.
Anime appearances
Series, films and specials featuring this character.
Manga appearances
Manga, light novels and webtoons featuring this character.
ONIMAI: I'm Now Your Sister!
Main character
Onii-chan wa Oshimai!: Koushiki Anthology Comic
Main character
Onii-chan wa Oshimai! Kaki Oroshi Comic
Main character
Onii-chan wa Oshimai! Tokubetsu-hen
Main character
Onimai Fukudoku Hon: Mihari no Kenkyuushitsu
Supporting
Onii-chan wa Oshimai! Tanjoubi
Main character
Onii-chan wa Oshimai! 7-kan: Tokusouban Shousasshi
Supporting
Voices behind the character
Voice actors across languages.
