Mayu, who belonged to the prestigious volleyball team, was deprived of regulars by his juniors, lost sight of his goal, and was desperate. - Anna, a mother who can't even find a word for her daughter, once entrusted her dream as an Olympic athlete to her daughter, and made her spend her days in volleyball as a coach instead of her mother. I decide to regain the love of my mother who lost her. - At that point, a pant voice was heard from her daughter's room, saying "Mom ...".