Aki Fujisaki, who works for Tsukiyano Drink, a medium-sized beverage manufacturer, is transferred to the Intellectual Property Department, which is in charge of obtaining rights to the company's patented trademarks. Aki, a novice in intellectual property, is trained by her boss, patent attorney Kitawaki, and struggles to overcome a trademark hijacking case and a lawsuit over a parody product. Then, an unexpectedly big case arises! This is a painful work story of a rookie intellectual property department member's struggles!