Chuuya is a ghoul. Dazai is a human. Chuuya comes to Dazai's apartment for the weekend, they sit on the couch in the living room and watch TV. Ghouls regenerate quickly if they are not hungry. CCG is a federal agency that serves as a criminal investigative body in cases connected to ghouls. Dazai doesn't know that Chuuya is a ghoul. People don't know much about ghouls and treat them like monsters. Ghouls can gorge themselves on even a small piece of meat. Ghoul skin is difficult to damage