SSG - Meimon Danshikou Keppuuroku (manga)

Promotion

For the sake of his brother Otawa, Subaru decides to take his place at the prestigious boys' high school until he recovers from the hospital for about a year. He arrives at school and meets some weirdo on the first day, but he quickly tells them his name. They are surprised too and take him to the Lion Club. It will be very difficult to hide that she is a girl and now she has to deal with this strange group that is trying to bring her into the club because they all believe that they were members of the Shinsengumi in the past.