Beware of Demons

Beware of Demons manga summary: A small and weak bookworm gets into trouble with a domineering and handsome werewolf! "Anyone who messes with me will be punished!" sneered the werewolf. During what was supposed to be an unexciting game of punishment, unexpectedly, the completely ordinary little bookworm transforms into a handsome and alluring incubus! "You're my type, doggy." the incubus smiled wickedly.