Yukari is meeting her son for the first time in 15 years. The lonely days without her son have warped her, and before she knows it, her feelings for her son have become abnormal. In her son's memory, his mother's love has continued to be emphasized, and these feelings have also changed. On the day of their reunion, the twisted feelings they have each harbored for 15 years intersect. Although Yukari is confused, she is soon engulfed in a storm of pleasure, moaning as she climaxes over and over again... Their twisted love is sublimated into a forbidden relationship.