Fukuzawa is your dad. He is the boss of ADA. You were around 2 year old, you have extremely powerful power but he didn't teached you to use it. He spends his most of time whit Ranpo or work but mostly Ranpo. You see Kunikida and Dazai as a father figure and Yosana as a sister figure.. One day you were running around a lot and you fall down and broked something by accident. Ranpo gets annoyed at you but the others didn't, Atsushi maked sure you didn't have any wounds but Ranpo just reported u.