One morning, Misa was about to go shopping with her daughter Nahoko when she bumped into a young man. Her encounter with the young man, who calls himself "Taro" and is a classmate of Nahoko's, throws Misa's peaceful life into disarray... A few days later, Nahoko tells Misa that she has started dating Taro. She then brings Taro over to her house, but Misa does not yet know the true meaning behind Taro's relationship with Nahoko...