For some reason, Kotarou is a lonely young man who has returned to his hometown of Hachioji. When he was young, he had a past encounter with

Morihito Otogis family is descended from a long line of ogre familiars, and he has the inhuman strength to prove it. One day, his father comes to him with the life-changing news that he is to become the familiar of his childhood friend, the teenage witch