Kanan-sama Is Easy as Hell!

Synopsis

Kanan is a female demon who infiltrated a high school in the human world in order to devour souls. She sets her sights on a male student, but she somehow ends up agreeing to become his lover!? Kanan, who has never experienced love before, is filled with emotions unknown to her! The cute romantic comedy about a pure-hearted demon's first love begins! (Source: Kodansha, translated)