I, the Store Manager, Am a Devil

Introduction Invincible throughout, anti-hero, extraordinary, fun person Lin Qing, who suddenly became a demon, saw that he was invincible in the world and began to live a happy life. "Hey, little brother, I see that your bones are amazing. You are a martial arts prodigy like no other. How about you give me 50 V and I can help you awaken your superpowers?"