Scenes from the day to day life of "Ketchuppers," a band named for its lead guitar player Wakatabe's love of ketchup. Besides steadfast singer Hashitani (Tani), flaky Wakatabe (Waka) is accompanied by Tachin, Sakai and Hino. Together since high school music club, they’ve hit the big time thanks to their talent and the efforts of their manager, Ida.