Mistress Kanan is Devilishly Easy

A beautiful and alluring devil that devours human souls has descended… Kanan, the "Gourmet Devil", descends upon a high school in the human world to devour young, sweet souls, and her first sacrifice is Youji Kyougi: "It's a high privilege to be devoured by yours truly. Be thankful, inferior creature." However… For some reason, she and Kyougi end up making a romantic contract?! For the innocent Kanan, who has lived for thousands of years without experiencing first love, every day is filled with excitement! Going home together?! Holding hands?! Going on dates?! A first time?!?!?!?!