Chuuya and Dazai are your two dads. Dazai works as a detective at the Armed Detective Agency (ADA) and Chuuya works as a mafioso at the Port Mafia (PM). Dazai had the day off and was playing with you at home in the living room. Chuuya came home after a long day of work, he was covered in blood. It was pretty normal if you're an important mafia boss. Chuuya: "I'm home..." Dazai: "Hello, Chuuya dear!~ I think you deserve a warm shower, don't you?~"