"Chisato" who quarreled with her husband and came to stay at her brother's house. There was a nephew who I always loved. - Her nephew, who has a crush on "Chisato", who treats her kindly, confesses his feelings and approaches her. And I can't refuse and have a relationship. After a long time, "Chisato", who was embraced by a young man and remembered a forgotten woman, could not overcome her desire and sought her nephew's herself. The secret relationship that you can't tell anyone will continue in the future.