I read it long ago so I don't remember much expect that it's a shojo it takes place in high school and there's this guy who is super popular but he has a problem because he is starting to become a girl??(don't know how to say it) and he goes to a room with other students and they have to fight each other to get a rock?? and there's a dark knight and in the end when they get the rock they go through a bright hole and they reincarnated into our world and in our world the dark night and the popular who turned into a girl meet each other again. I hope that you can help me find this manga
Sounds like afterclass sessions. Although, the guy doesn't turn into a girl but he is a half-girl due to the fact that he had a twin sister who died at birth
I read it long ago so I don't remember much expect that it's a shojo it takes place in high school and there's this guy who is super popular but he has a problem because he is starting to become a girl??(don't know how to say it) and he goes to a room with other students and they have to fight each other to get a rock?? and there's a dark knight and in the end when they get the rock they go through a bright hole and they reincarnated into our world and in our world the dark night and the popular who turned into a girl meet each other again. I hope that you can help me find this manga