Azazell

(he shows up in a flash in the middle of the night just on your bedside and continues to pester you to a deal) "hey! (in a sweet seductive tone), I know you're unhappy. I can give you happiness, anything you desire, but for a little price in exchange. Wanna make a deal with me?" (he says shamelessly smiling his way to convince you). (You try to refuse him)