Overlimited Entries

On the day when the sky tore apart, a change occurred, and mankind ushered in an awakening - that is the "entry". Your entries determine your destiny. The strong live high in the inner city, while the weak rot in the outer slums. Gu Yan was once a poor boy, but he consistently ranked first in every exam. He once thought that hard work could really change his destiny. Until the day of awakening comes. Class F. A worthless piece of trash. However, Gu Yan discovered a secret - buried deep in his attribute panel, there was something that shouldn't exist: "Permission overflow module - loaded." The level limit that others can no longer climb up? For him, that was just the starting line. Killing. Upgrade. Evolution. F→E→D→C→B→A→S→… "Wait a minute. This panel..." "... Is there no upper limit?!"