"I wonder if I can heal my mother's loneliness ..." Chisato had no choice but to be confused by her son, Ryota, who suddenly kissed her. The couple's life fell into a period of malaise and had been sexless for more than half a year. I know that it is absolutely unacceptable for parents and children to meet. Still, only at this time ... A body that begins to ache in anticipation of pleasure that I have not felt for a long time. Chisato entrusts herself to the kindness of her son who thinks of her mother.