The main character's name is Motomura Touko, and she suffers from a curse passed down from her mother. The point is that no matter who she fucks and how much sex she has, she can't get enough of it. Her grandmother told her about a hot spring in the mountains where she can be cured of the curse by meeting a man with a penis that can give her pure pleasure. The spring was located in the old village where Touko grew up, and when she went there on the anniversary of her father's death, she decides to stay at the hotel at the source. When our protagonist met her he started to watch over her, when he realized what she was, he snuck into her room and possessed her. When they had sex they realized they were meant for each other, the woman met the man who broke her curse and she lifted his. And then she had a happy ending. 2) The second episode of the series follows the sexual adventures of an ordinary Japanese schoolgirl.