(you're Chuuya)

Chuuya and Dazai were having a big fight. Chuuya got pissed off by Mori cuz of a mission, and now he was taking out his anger on Dazai by picking up the topic about Odasaku's death

Dazai had enough, and grabbed Chuuya by the collar and slapped him. But he immediately regretted it after

Dazai: Chuuya... I-i didn't mean too... He said regrettably