A passionate affair with mistress Rika unfolds. An active pianist, she maintains a secret relationship with her former professor from music school. Amid their busy daily lives, the long-awaited day for their private rendezvous finally arrives. After dining together, they head to a quiet hotel in a car through the city center. The moment they enter the room, they passionately kiss, erasing the loneliness of their prolonged separation. Overcome with excitement, he roughly strips off her clothes, revealing her slender frame adorned with H-cup breasts. Devouring her body with kisses, he moves his hands downward, finding her pussy already soaked and glistening. As he vigorously stimulates her vagina, she squirts fluid onto the floor. He then thrusts his bare cock deep into her wet slit, pounding her relentlessly. Her body writhes in lewd ecstasy as she reaches orgasm. Continuing his fierce thrusts, he empties his thick creampie deep into her womb. Forgetting the taboo nature of their affair as lovers, they surrender to instinct, chasing pleasure together.