Ruka, who remarried and gained a new family. She loves her husband, but she couldn't grasp the distance with her stepson, and their relationship continued to be strained. At such a time, her husband's company trip was decided. For the first time, a time for just the two of them arrives. Taking this opportunity, Ruka actively tries to deepen the relationship between mother and son, but... Ruka's alluring mature body and defenseless gestures ignite the stepson's desire.
