Pei Shi Ju (裴世炬) is a supporting character in Biaoren. The series' music includes "🪔《镖人》片头曝光,朱笔红墨,写尽人心莫测 |镖人 Blades of the Guardians |Chinese Animation | Donghua", "Blades of the Guardians 镖人 Full OST".