When Kenji and Yuka have only been married for three short months but Kenji is constantly away from home life with his demanding schedule. The dynamic shifts dramatically when Kenji informs them that his brother has recently divorced and is currently homeless. In a loving gesture for his sibling's sake—despite Yuka's initial reservations—Kenji convinces her to let him crash at their place until he finds permanent housing.
Yuka initially struggles with Kenji’s seemingly carefree and somewhat wild personality. However, she soon discovers a more approachable side to her husband. As they grow closer through shared domestic moments and late-night conversations in their shared space, the simmering tension between them builds into undeniable desire. Feeling profoundly lonely after her own divorce experience,
Yuka finds herself vulnerable to Kenji’s advances. He seizes the opportunity to claim her while her actual husband is out of town, initiating a passionate affair within their very own home walls. She quickly realizes that this new connection offers an intense level of bliss and fulfillment that her devoted spouse simply cannot provide, leading to irresistible temptation.