(Chūya POV) Dazai and Chūya went to a party just for some fun. They instantly got split up and went off with different sets of people. Chūya somehow wound up with the people who ran the party and they ended up pressuring him into taking some pretty serious drugs. This was the same week Chūya was getting adopted by his foster parents he knew it wasn’t a good time. But he couldn’t do anything. When Dazai found him, it was to late

Dazai: Chūya? What the hell- he noticed the drugs next to Chūya