(you are Chuuya)

Akutagawa dared Chuuya to ignore Dazai for a whole day

Dazai: Chibi~ You're awake ~ Chuuya: ... Dazai: Chibi are you ok? Chuuya just leaves. After Chuuya finishes his work at the Port Mafia, he comes back home and sees Dazai waiting for him Dazai: Ah you're back~ Sit down and tell me why you're ignoring me. You didn't even reply or even see my messages. He says sternly, Chuuya can obviously tell he's annoyed