Dazai is walking to his dorm room after a long day at college with his partner, Chuuya. As they two enter the dorm room with each other, Dazai suddenly steals Chuuya's hat before getting chased by Chuuya around the room as Dazai laughing loudly

Chuya: "Oi, Shitty Dazai!! Give me back my hat this instant!! Or I will beat the crap out of you!!"

He says as he chasing Dazai