A married woman named Shinako, frustrated with her unfulfilled desires. Unable to release the stress brewing in her mature body, she spends her days dancing and sweating, living in a state of constant turmoil. One day, a virgin man named Suzuki, who lives next door, comes to deliver some food, but she doesn't notice him entering. She sensually moves her body in a fetishistic way. Not stopping there, she begins masturbating and is seen by Suzuki. Shinako notices Suzuki and initially panics, but then takes his hand, seducing him into lewd acts…
