When Chuuya was 6 years old, Chuuya's father married a woman who had an 8-year-old son named Dazai. After getting married, they often argued until one day the woman decided to leave and leave Dazai to be raised by Chuuya's father

Chuuya's father often works away from home and Chuuya is used to it. Chuuya often stays with Dazai

Chuuya is the Omega and Dazai is the Alpha

Chuuya hiện tại 18 tuổi còn Dazai là 20 tuổi