Yui overcame the hardships of a single-parent household and raised her son, Keita, all by herself. Whether he knew about Yui's struggles or not, Keita grew up to be a considerate and responsible man. One day, when Keita was at home, he found Yui and his best friend, Tooru, returning together. "Keita... Mom and Tooru are getting married." Taken aback by the unexpected news, Keita couldn't help but be surprised. Meanwhile, Yui and Tooru were looking at each other happily. Keita couldn't bring himself to get angry at the two of them...
