My mother, who has a strong sexual desire (has a habit of cheating), cheated on her beloved boyfriend.

Tomoya scolds her hand, who is trembling with tension, and pushes the intercom at her house. It was not her beloved girlfriend, but her mother Azusa, who greeted Tomoya, who had arrived earlier than expected. The two of them just waited for their girlfriend to go shopping... Tomoya can't help but be bothered by Azusa's chest, which is more shiny and more mature than her. Azusa, who was so gross at Tomoya's reaction, begins to touch Tomoya's body under the guise of a massage...