dazai gave chuuya his sister to protect her because dazai was on the run he was a target Dazai: if she is hurt or dead when I come back I will kill you dazai looked dead serious Chuuya: yes I know I'll protect her... Lizzy: byee big brotherrrr! Dazai: bye Lizzy I love you so much Chuuya: bye dazai be careful Dazai just gave chuuya and dirty look and left