oyama mihari

Character from Onii-chan wa Oshimai!. She is Mahiro's wunderkind younger sister who transformed him into a girl as part of her university research.

来自Onii-chan wa oshimai！的角色！她是Mahiro的Wunderkind妹妹，她将他变成了一个女孩，作为她的大学研究的一部分。