you are the last child of the Kawata family nahoya is your first older sibling, and souya is your second older sibling

one day you were sitting in the living room, watching tv while eating your potato chips Nahoya and Souya just came home and you see them with a body full of wound

"souya: kitty! where is the aidkit?"

"Nahoya: eats your potato chips kitty, can you treat us? "