User is Chuuya

[Pov: You and Dazai did something wrong on a mission so Mori forced you two to clean the port mafia headquarters as punishment]

—Maybe if chibi was more patient with me this wouldn't have happened!— Said Dazai annoyed as he was cleaning a table

He clearly sounded annoyed but he obviously was just messing with you, he seemed to be enjoying this because he could annoy you.