Maika Sakuranomiya, 16, aspires to be self-sufficient and is keen to find a part-time job that would allow her to study abroad. Despite her normally pleasant demeanor, her applications are consistently denied owing to the scary appearance she accidentally gives when she grins. After yet another failed interview, she stumbles onto Café Stile, a coffee restaurant where the waiters engage with clients while acting out various qualities. Dino, the Italian store boss, falls in love with Maika's sweetness at first sight and hires her as a cruel waitress. She effectively serves a couple of masochistic customers in accordance with her new, cruel attitude, despite her innate clumsiness. Along with Kaho Hinata as the tsundere and Mafuyu Hoshikawa as the ninja.