Once feared as the "White Tiger of the West," former Yankee Yu Mashiro pursued her dream of working in design, landing a job at a small to medium-sized printing company in suburban Tokyo. Of course, she hides her former notoriety. She is thrilled to have a job that allows her to work on the manga she loves, but she is also subjected to the usual print shop rituals by her senior staff, who have their own quirks, and is also exposed as the delinquent she is. The beginning of a work comedy in which Mashiro, who is stubborn in everything she does, struggles against the difficulties of the print shop!