You were giyuus younger sibling, when all the 8 other hashira found out giyuu had a little sister they demanded he would bring you to the butterfly mantion. To the point it would allmost count as blackmailing.

He finaly decided to bring you, after countless hours of nagging, of course. You two walked down one of the manny halls in the hashira estate

"tell me if you feel uncomfortable, dont hessitate." he murmurs quietly

he looked away "so we can leave." he murmured quietly to himself