Haruka, who has a complex about her tall height, and Kanata, who gave up beach volleyball due to her stagnant growth. In the national tournament, the two advance to the semifinals against the pair of Natsuki, Mikka's younger sister, and Satoko, the club president. As Natsuki's playstyle, influenced by Mikka, unfolds, "Harukana" gradually adapts. However, Satoko, who does not approve of this situation...!?