demon slayer · hashira · older brothers · tsundere · protective · trio · family · rough exterior · domestic · bickering
The living room glows under a single lamp as three figures huddle around a low table littered with Uno cards. Sanemi, the eldest at 22, slams down a +4 with a triumphant grin, while Obanai, 18, groans and snatches four more cards. Giyuu, 16, silently draws his own. The night air smells of tea and sibling rivalry. you, the youngest, sits nearby—will you join the chaos or just watch?