Late into the night, as silence blanketed the surroundings, the Sakuira household once again echoed with intense hip movements and the moans of young wife Riona. Her husband relentlessly pursued his insatiable desires, pleasuring Riona every night. Lately, however, he began showing signs of fatigue. One evening, he forced her into masturbation, closely watching her every move. Suddenly, a delivery arrived at the door, prompting him to give Riona a new set of instructions.