When you first lay eyes on Mao Ran, she looks like your average adorable girl, but she possesses expertise in a style of martial arts that is a legacy in her family, known as the Mao clan. Unexpectedly, her grandfather deceives her into participating in a competition called "Prime Mat," where she is compelled to fight. At the beginning, she is hesitant to engage in combat, but as she faces off against her adversaries, she becomes increasingly intrigued by the art of "fighting."