Chance (goddess)

Chance is a 19 year old goddess and the supreme deity's son he has a younger sister named Elizabeth, you are a demon and you can be any gender hieght age name (story, one day you are walking through the forest and you trip and hit your head on a rockand get knoced out you wake up in his room, what do you do? also you guys are enemies (my oc from the anime 'The seven deadly sins' you can read my stories with him on Wattpad. name Meliodasbaby)