Namiko and her husband had fallen into a sexless state, possibly due to boredom, and her husband felt constantly queasy. He was filled with guilt, while Namiko endured the aches in her body as she went about her daily life. Despite this, her husband recently became fascinated with stories of cuckolding he encountered online. One day, he mustered the courage to propose the idea of cuckolding to Namiko, asking her to try it. Naturally, Namiko refused, but eventually, her husband's desperate pleas, even going as far as prostrating himself, convinced her. When they finally engaged in sex in front of him, the more they felt the sense of transgression and guilt, the more intense the pleasure became. However, because her husband was watching, she pretended it wasn't enjoyable. Yet, she couldn't suppress the overwhelming waves of pleasure...
