After Receiving the Transfer Order, the Delivery Clerk Accidentally Obtained the System

[Decisive Killing + Both Good and Evil + Urban Refreshing Articles] In the early stage, the male protagonist is a loser and a good old man. Being at the bottom of society, neither love nor career goes smoothly. While delivering food, I received a transfer order and accidentally obtained a mysterious system, starting my path to immortality. As my cultivation improved, I discovered that the system had buried many pitfalls. In the middle and later stages, the male protagonist's temperament gradually changes, he kills decisively, is both good and evil, has many beauties, and has a prosperous career!