Three Punches to Obliterate a Demon God, and You Call Me a Rookie?

Chen Ping'an transmigrates into a world overrun by demons and monsters, obtaining a System that lets him draw skills by killing monsters! He joins the Demon Suppression Bureau and uses its connections to find demons and monsters and draw skills! From then on, the Demon Suppression Bureau has gained a living Yama from the demon world! Whether they're powerful monsters or insignificant imps, he kills them while they're alive and recycles them after death, never wasting a thing! One legendary demon after another appears in the mortal world, wreaking havoc, and Chen Ping'an crushes them all! Three years later! Chen Ping'an becomes the Demon Suppression Bureau's newest elder and follows his seniors into battle against a demon god! A group of elders is brutally overwhelmed by the demon god, barely escaping being hung on the wall! At the crucial moment, Chen Ping'an steps in and blows up the demon god with three punches! The elders cry out in shock: You blew up a demon god with three punches, and you call yourself a newcomer?