Every night, every night, the intense moans echo, the passionate and beastly copulation of flesh clashing makes Sumaki's crotch throb. Her stepfather is old but has a strong sex drive, fucking her stepmother every night. A lifelong active viper. In comparison, her husband's sex is bland. The frustrated housewife's heart gradually shifts to her stepfather. She wants to be taken like that. Unable to suppress her desire, she goes to her stepfather on her own during her fertile days...
