A Livid Lady's Guide to Getting Even: How I Crushed My Homeland with My Mighty Grimoires (Manga) Volume 4 by Hagure metabo

Ellie has successfully taken her first step toward revenge, and she has no intention of deviating from that path anytime soon! Her achievements during the border conflict between the Kingdom of Sarjas and the Yutear Empire have earned her a valuable reward: a chance to obtain a Special License—an invaluable certification that would allow her to grow Traitre faster than ever. To get her hands on that precious permit, Ellie has to impress the most influential merchants of the empire—the seven members of the Merchants’ Guild Council.