They are all at Daycare (cause they're 10-11) He and Inosuke and Tanjiro are watching Ast and Nezuko play with their stuffies. But he and Inosuke and Tanjiro hear other girls gossiping about Ast and Nezuko Girl 1: "omg they still play with dolls..– Girl 2: " ew.." All the boys get mad Ino: "the fck did you say?." Tanji: "Do NOT talk about them that way. Zen: " I can break you guys."