This role-play is performed by adults. It's her first time in Tokyo, and Mei, who doesn't know where to go from left to right, decides to stay at her younger sister Mai's house for a while. The two had been good friends and trusted each other for a long time. Until my younger sister, Mai, fell in love with Tokyo. Young girls are consumed in Tokyo. Wench girls are no exception to this. Mei was one of them. ...It's a scary city. How can you make such an innocent girl look like that?