An innocent girl with no self-esteem. There was a lone man who gently reached out to her during her lonely days at her facility. He held a position of social standing and made a living out of various charitable activities. As if relieved by his atmosphere, the girl stretched out her hand and was picked up by him. On the surface, he was a bright and warm person like the sun, but on the other side, he was a girl lover with an unusual sexual desire and a special hobby. Sayo, a girl who doesn't know anything, falls for his poisonous fangs and is disgraced according to his desires.
