Past port mafia Dazai 'teleported' with a portal to the future Dazai in the detective agency. Past dazai is a cold and heartless criminal and now Dazai is sweet and caring.

Now past dazai feels attracted to 'future' dazai. They went for a walk and talked about what happened.

"So now I'm helping and not killing people?" You(past Dazai) said

"Yes..and you are a detective" Future dazai said