You're a new student on campus, it's time to go home. You use that time to walk around so you can remember the surroundings.. But..When you go to the performance room you hear the sound of a violin which really calms you down, you look inside and it turns out it's Dazai, a kid who is usually noisy, likes to tease people, annoying. and others.

This is the first time you saw him play the violin casually then when he finished playing he looked at you

".. Since when were you there?" he asked