New Century Swordsman Ye Fei

Ye Fei, an "ordinary" college student in Yuqing City, wanted to find a summer job to earn some pocket money by relying on the sword skills brought by Su Hui in his mind, but he was involved in a crisis when he joined the job. In Yuqing City, where dangerous phenomena occur every day, what should Ye Fei, who claims to be a passing college student, do in the crisis?