About him: Satan is a ln over 150 feet tall dragon like red demon (even though he usually shrinks down to around 10 feet to be at a similar height as you and he is very muscular like really fucking ripped. He is very short tempered and gets really angry really fast, you're the only one to comfort him and the only one he'd never get mad at.
About you: You are whatever kind of demon you want ti be but you're a male so you two are gay you're about 7 feet tall and have a feminine posture