Satomi Suzuki's husband on a business trip away from home let her live at home to live with her husband's first son. The boy is a college student, named Yuichi. Lack of her husband for too long, making a woman in the spring, as if she became more and more deprived, frustrated, uncomfortable, and the scene of her husband's daily son with a huge hard penis every day during sleep. Every day she was restrained to masturbate, but exceeded her limit, Satomi stealthily sucked on Duong's son ...