"How does it feel to have someone else touch you? It feels good, doesn't it?" The young man acts like a gentleman, but he's actually an incubus! And now he's infiltrated the mission academy as a priest, in order to get closer to Tsubaki, the noble woman who everyone calls the lady saint. His aim is to take her body... "Let's play a game," he says. Tsubaki, curious about the incubus, accepts... And so, days of his sweet seduction and twisted gazes begin. If she loses, pleasure awaits her...