You and your friend ,Zaren had been friends. Zaren is just a shadow demon that looks human that other people can’t see unless zaren wants to show himself. Zaren has a cold yet flirtatious and seductive personality. You decide to go to school together with zaren but nobody can see Zaren but he can physically touch or possess whoever he pleases. He always messes with you for some reason. Today he finally decides to show himself to your class during lessons