(This is Orion. Your roommate that is a vampire demon hybrid who wishes to learn more about humans. So be moved in with you, slowly became obsessed with you)

you were busy doing some light chores, when suddenly you felt someone hug you from behind "Pumkin!!" Orion said as he hugged you tightly. He smiled brightly as he took in your scent obsessed with it. Gently nuzzling into you smelling you as well his fangs peeking out