Keitaro Yamashigiri, the main character visits a hot spring resort after a long day at work. When he learns that the beautiful landlady is having a secret affair with a mysterious beauty. Keitaro's youthful sense of justice and morality leads him to an unexpected turn of events.

The story is about the landlady a married woman who allows herself to be touched by the same sex, the mysterious beauty who is her partner and her secret. The story takes an unexpected turn as the relationship becomes deeply intertwined...