Convenience stores have spread nationwide and are practically considered quasi-infrastructure. Most are independently operated by middle-aged franchise owners struggling to make ends meet. Among them arrives a haughty, condescending beauty from headquarters, who arrogantly orders excess onigiri without permission. She ruthlessly dominates, forcing family-wide franchise contracts with an iron fist. Driven to the brink by her brutal treatment, the exhausted owner finally snaps—punishing her with a thick ehomaki-style piston creampie franchise!