Yuri has been married for almost a year and is living a fulfilling life. Her relationship with her stepson Yuichi is also good, and she feels happiness every day. However, her husband is indifferent, and she secretly feels lonely... Just then, her husband leaves home on a single-person assignment, and Yuri starts living alone with Yuichi. At first, everything seemed fine, but gradually, changes began to appear in Yuichi's attitude... The distance between them became strangely close, and physical contact increased, confusing Yuri. And it only got more intense...
