Karen Kohiruimaki, a university student insecure about her unusual height, discovers that virtual-reality games allow her to finally take on the small and cute appearance she has always wanted. In Gun Gale Online, a world dominated by firearms and tactical combat, she becomes Llenn, a fast-moving player dressed entirely in pink. Her encounter with the mysterious Pitohui leads her to enter the Squad Jam, a tournament where teams compete in intense battles. Through strategy, rivalries, and friendship, Karen gradually becomes more confident while discovering the sometimes troubling personalities hidden behind other players’ avatars.