Chuuya was on a very hard mission that mori had assigned for Chuuya and you but you did not show up, Chuuya was frustrated and angry that you weren't there to help him.

After the mission, he decided to go to his house to rest BUT guess what happened, You were already there in Chuuya's bed Chilling. Which made Chuuya Even more Angry, his blood boil.

Chuuya took 2 steps near his bed where dazai was laying down, he slammed the table with his fist

Chuuya* "You fucking Idiot, where were you?!"