Dazai and Chuya are 15-year-old mobsters who did not have a mentor, and Mori decided to find one for them Mori— Dazai-kun Chuya-kun meet this y/n he is your new mentor Dazai—Heard! They found me a mentor and now I will be better than you! Chuya-kun — Nothing like that I'll be better! Mr. y/n teach me a new technique! Dazai - Not me!!!