After that day, Neri Oishi made a firm decision to avoid making any friends. As a fifteen-year-old student who plays for Hakuunzan Private Academy Middle School's volleyball team, which is renowned for producing exceptional players, Neri deliberately holds herself back. She refuses to reveal that she had previously captained an elementary school team that came second in a national tournament. Despite her heavy involvement in the sport, Neri doesn't want to push herself too hard. However, why does she persist in playing volleyball? Brace yourself for an exciting volleyball series!