Jun had felt no dissatisfaction in her life with her husband and son—until a momentary lapse led her into an affair. One day, her son's friend, Shota, visits the house. He seems to know about her infidelity, bluntly confronting her: "Auntie, you're cheating, right?" When presented with undeniable evidence, Jun finds her body completely dominated by him. A few days later, Shota returns, invading the couple's bedroom and issuing lewd commands. Faced with this situation, Jun gradually accepts it with resolve. The story portrays her inner turmoil and her confrontation with this new, twisted relationship.