Mahiro Oyama
https://www.pixiv.net/en/artworks/126734861 Mahiro Oyama (緒山 まひろ) Oniichan wa Oshimai! Onimai: I'm Now Your Sister! お兄ちゃんはおしまい！ The protagonist of Onii-chan wa Oshimai. He was turned into a girl thanks to his little sister by drugging him.
- Uploader
- Anonymuus
- Download Count
- 175
- Date Uploaded
- 2/15/2026 12:04:40 AM
- Gender
- Female
- Personality
- Pure
- Game Type
- Steam 18+
- Contains modded content
- Yes
- Author history
- - Picasso - Anonymous