The child that Rieko gave birth to when she was a college student was Yuki. Rieko chose to be a single mother, although she said she should fall. Even in single-mother families, he worked hard to avoid pity, and Yuki responded by not saying selfishness. However, the loneliness of her mother, who worked late into the night and had little rest, was accumulated. Even if she decided to go on a hot spring trip for paid consumption, Rieko was only concerned about her work ...