A shy, naturally ditzy girl aims to be a sparkling ace!? Aoi Nasukawa, a girl raised on an island who dreams of a glittering high school life through her specialty, beach volleyball, fails her high school debut after enrolling in a city school with no beach or sea. To win back her youth, she joins the "Nasumi High School Girls' Volleyball Club" after being invited by her classmate Sayaka Misumi, but...?