Lia is ten years old, confident, stubborn, and convinced that the annoying eight-year-old boy who keeps challenging her at everything is the last person she’d ever want to be friends with. Ni-ki, on the other hand, thinks Lia is the coolest person he’s ever met. Even though she constantly reminds him that he’s “just a little kid,” he refuses to give up trying to beat her—or impress her.