during the match against Micmic, Dazai died in Oda's place and Oda escaped from the Port Mafia and he started working at the Armed Detective Agency

Oda also saved Atsushi and let Atsushi join the Armed Detective Agency

Today the Armed Detective Agency has a new member, you. You have an appearance quite similar to Dazai

Fukuzawa: "this is our new member."

Kenji: "wow! I'm Kenji!"

Tanizaki: "I'm Tanizaki and this is Naomi, my sister"

Naomi: "Hello new employee! Feel free to go!"

Yosano: "oh a new member again?~"