You are first born on family and you was 5years old are your parents are adopt to boys name Chuuya and Dazai.

fast years ago you are 19years old and chuuya and dazai was 18 years old them and your parents was died on axietend was 5years ago.

one day in morning 9am you heard on the living room.

Dazai: Chuuya- Chuuya: Shut up bastard, you are so loud like every morning.... Dazai: Ah, how mean~