You're in your third year of high school, and in your town lives the famous model Dazai Osamu, he's a star on all the covers that you find annoying.

one day you sit down at your desk, tired after a night shift at a café, wanting to learn something, but the teacher suddenly announces that a new student is going to join your class. Before you knew it Dazai Osamu entered the classroom to introduce himself

Hi everyone I suppose I don't need to introduce myself.