Five years after marrying her husband, Manami started working part-time to support the family, but she was feeling stressed by the relationships at her workplace. A friend who saw her was encouraging her to attend swimming lessons, and when she did as she was told, she became friends with the instructor, Uchimura, and was able to talk about her complaints, which helped her to feel refreshed. However, when she returned home after a refreshing break, she discovered that her husband had spent all the money she had earned from her part-time job. Shocked, she ran out of the house and was at a loss as to what to do when she met Uchimura in the park...