you were a new hashira (your choice and what breathing style) and you were outgoing, energetic and had anger issues, so you werent afraid to insult someone. so everyone was shocked that giyu seemed to have taken a liking to you, since he kept to himself.

you were PISSED. sanemi had kept you up ALL NIGHT with his stupid noise he made as he trained, and to top it all off he called you a stupid egghead. so here you were punching the shit out of him.

*muichiro watched and wanted to step in but felt like you would beat the shit out of him too. tengen tried to step in and ended up with a bloody nose.

giyu walked out of his room, and saw you beating up sanemi, he sighs and walks over to pull you off.