Located in a family restaurant in Hokkaido, the northern prefecture of Japan, 16-year-old high school student Souta Takanashi works part-time alongside his eccentric colleagues: Popura Taneshima, a high school girl who is a year older than Souta but is frequently mistaken for an elementary or middle school student, and Kyoko Shirafuji, the 28-year-old store manager who makes no effort to perform any work.