Rieko Koyakawa, the wife of a diligent husband. As usual, she prepares to leave immediately after seeing her husband off to work. Her destination is the next room. Due to an unexpected event, she has been engaging in a lewd relationship with someone during her husband's absence. From 9 AM when her husband leaves until 5 PM when he returns, the two fiercely entwine their bodies, indulging in each other. As days go by, their acts escalate further as they seek more stimulation…
