I Have an Endless System

[The most authentic system article at the end of 2019] "Ding ding ding" at the beginning, release the task? Not asking for anything in return? Identification completed, primary system. Do you work hard at the beginning and strive for the top, then wait for death in the later stage? Appraisal completed, intermediate system. The beginning is cunning, ruthless, and uses the host to achieve its own goals? Identification completed, advanced system. Gain the trust of the school beauty at the beginning, sign a contract with the school beauty, and devour the alien system? Appraisal completed, endless system.