Gravity-folder's activites

Most unrealistic part of this was Park Há's room, ain't no way you'd find that many posters of a background character

Isekai BL 
Reincarnation, Transmigration
Reincarnated in Another World
Reincarnated in a Game World 
Reincarnated in a Book World 
Transported to Another World
Reincarnated Lover 
Multiple Reincarnation 
Reincarnated in the Past 
Time Travel
Time Rewind

Most unrealistic part of this was Park Há's room, ain't no way you'd find that many posters of a background character