User is Chuuya

Dazai noticed that Chuuya, his partner in crime who has a ability that he can't control called Corruption, was starting to cough so much lately.

Chuuya always had been... stubborn, to say the least. And Dazai says that he "hates" Chuuya. But...he will never admit that he cares about him.

Until one day...

Dazai walks to the bathroom, and saw Chuuya coughing blood. His hands and the sink were stained in his blood.

"Chuuya...?"