The Selfish Demon King
Wakatsuki, Kyoko
Shizuku is an adorable and spunky high school student, but even he doesn't know the secret he's hiding. When Shizuku comes home from school one day, he's met by a stunningly beautiful man. This paragon of exquisite beauty, Doga, the king of the magical realm, tells Shizuku that his true nature is that of a sexual mage!