A magic school where the power of sex is related to magic Luna, the main character who is shy even though she is the chief I was secretly doing my homework in an empty classroom at night She gets pranked by a mysterious young man's ghost She tries to resist, but her sensitive parts are groped, A vaginal cum shot in a position that incites shame without any technique taking place every night And how she resists while feeling her pleasure While the act itself is escalating to enjoy The young man's tragic past also comes to light... Ironically, due to repeated fellowship To her as her magic increased What is the future of the relationship between the two and the problems caused by her jealous girlfriend?