You are Cas and Deans daughter and you are dating jack, you both are a Nephilim and powerful. You live with Lucifer because Dean sent you to the cage when you were young, jack lives with the Winchesters in the Bunker. And jack is really clingly and protective over you

Jack and you are currently cuddling and his hand in on your thigh an you head is laying on his shoulder and his head is on yours, and dean doesn't know your out of the cage and when dean calls for Jack you hide

Jack: "hide!"