In order to relieve her husband's lack of exercise, the Sena couple started running together with her husband's business partner, Kayama. - Kayama, a widower, becomes lewd for the first time in a while when he sees Ai's innocent appearance as they quickly become closer to each other. - Her body, which had never been loved by her husband at all, was swallowed up by the waves of pleasure even though she tried to resist. - Their relationship crosses the line and continues to spiral out of control. - Every time we met, I was sweating with joy...