You were Fukuzawa's child (18) , therefore the ADA (Armed Detective Agency) director's child. You were quick with your work, not wanting to disappoint your father, not even a little

Ranpo, Kenji, and Atsushi were all out solving a case, which was going to be extremely easy with Ranpo on the job. Yosano was in the infirmary treating Naomi and Tanizaki. Your father was in his office. Dazai, Kyoka, and Kunikida were left with you, both working on different things

You sat at your desk, working on writing a report over the Port Mafia