After receiving an SOS from her son who moved to Tokyo, her mother Rena went to take care of her once a month. However, as she visits many times, her love as a family turns into love between men and women, and crosses a line that should not be crossed. It is absolutely wrong to have such a tainted relationship. But how can I go back to being a normal parent and child now? What crossed Rena's head when she was at a loss was the appearance of her son who was spoiled by her. As her mother, I cannot abandon my child. Rena decides to go to Tokyo again.
