Ichika lives harmoniously with her husband and daughter Miki. While listening to Miki's love story, which has reached her age, Ichika is happy about her daughter's growth, but... “I want my mother to meet Tomoya, too.” The next day, Miki brings her boyfriend Tomoya home. Tomoya's sincere personality touches her heart, and Ichika wishes for Miki's happiness as a mother. However, Tomoya feels more than "her mother" for Ichika. And then, a few days later, Tomoya visits Ichika, aiming for Miki's absence.
