I'm an ordinary working man and while I was in school, I had a crush on a girl named Megumi Nikoyama, who was a junior at my university. After graduating from university, I was earning a decent salary and living a completely normal life but then I received a mysterious sales email from my juniors at university... ''Would you like to try using Nikoyama for a night?'' When I listened to the details, I found out that Nikoyama had been used to satisfy the sexual needs of the juniors by changing her common sense through hypnosis... I couldn't resist and so I accepted their invitation. When she gets home, she's an indoor college girl who's in a hypnotic state and all night long... a lovey-dovey baby-making session awaits in the role of lovers...