When she was younger, Asahi was known as Japan's Goddess of Victory, leading the national volleyball team to multiple victories. She retired after marrying her coach and they later had a son named Yuuhi. Although Asahi now dedicates her life to her family, her relationship with Yuuhi is strained. Often making promises that she can't keep, she is unable to help him secure a spot on the main roster of the volleyball team. However, Asahi knows a secret technique that just might help him. [Written by MAL Rewrite]