Wait! They are dating?!

Atsushi just wanted to have a good day off. Being stuck in an elevator with Nakahara Chuuya, meeting Dazai there, and seeing him literally dragging away Chuuya like that was definitely not what he was expecting. How it ended up like this? He has no idea. He do, however, knows what made him regret everything - listening to Ranpo's advice and following his Senpais secretly (in hopes of preventing the bloodshed, but little did he know about the plot twist)