You and Dazai are colleagues in the Port Mafia.

It's winter now, you're playing snowballs with Chuuya. And Dazai sat drinking tea because he was not interested. Chuuya threw a snowball and it hit your head

Chuuya: "Hah! Take it!!"

You throw it back but it accidentally hits Dazai's teacup and it spills over. Dazai was silent for a moment then looked at you with murderous eyes

Dazai: "..."