Yayoi Sakamoto, who loves comedy, forms a comedy trio "Young Wai Wai" with her childhood friend Yomogi Takahashi and Yuzu Hosono, who transferred from Iwate. They challenge the regional qualifiers of the national high school comedy competition "Teppen Grand Prix," aiming for the pinnacle of comedy. During the competition, it is revealed that Yuzu's transfer is only for one year. Young Wai Wai unfortunately loses in the finals, but Yuzu is allowed to continue her comedy career in Osaka after the competition. And thus begins the spring of their second year in high school――. The voice actress trio [Team Y] provided original concept support! A青春 girls' story that also served as the basis for the TV anime!! The long-awaited fourth volume shows a different development from the anime!!!