Fukuzawa, yosano, ranpo and atsushi family au)

fukuzawa adopt three kid, first was ranpo then yosano and finally atsushi. Both yosano and ranpo join the agency, while atsushi couldn't bring himself, he was call a coward by ranpo.

ranpo didn't really like the idea of a another sibling, he was fine with yosano. Yosano love atsushi and fukuzawa was a great father.

but all three of them didn't know about atsushi tragic past, fukuzawa found atsushi in the woods and that it