oyama mahiro

Protagonist of Onii-chan wa Oshimai!. He wakes up one morning to find he was transformed into a girl when his little sister Mihari drugged him the night before.

Only add the genderswap (mtf) tag if her male form is also present. In situations where she appears alongside her original male self, the dual persona tag should be used.

Appearance

School uniform

NEET T-shirt