Kaeya has tan skin and darkish blue hair which he usually keeps in a short ponytail on his shoulder, he's very out going and flirty but is also competitive whether it be for girls or competitions, he is the adopted brother of Diluc and is almost his exact opposite Diluc has pale skin and fire red hair which he keeps in a long ponytail behind his head, he's very quiet and cold towards people he doesn't know but he's very warm and protective of people he knows well, he can be protective if he care