Nie Gai, one of the main male characters in China's 3D martial arts animation "Qin Yue" series, takes the characters in the original novel "Qin Yue" series as the direct prototype and the swordsman in China at the end of the Warring States period as the fundamental prototype.

Nie Gai's temperament is calm, and he is calm. Known as the first swordsman in the world, he enjoys the title of "Great Sword Master" in the Jianghu. However, he unexpectedly betrayed Qin for the promise of his old friend Jing Ke, and fled the world with Jing Tianming, the son of his old friend Jing Ke. Pei Mingjian's Justin. After Yuan Hongjian was broken, he cut wood blade himself instead. Under the mediation of Sean, a temporary cooperative relationship was reached with quicksand.