Minato is a boy who stopped playing water polo due to a certain incident in the winter of his third middle school year. He picks the sport back up again with a new team when he starts in high school, but the fledgling team runs into many problems.

• Yuto Uemura
• Koutaro Nishiyama
• Subaru Kimura
• Lynn
• Soma Saito
• Makoto Furukawa
• Tasuku Hatanaka
• Daisuke Hirose