I Upgrade Alone

The "door" connecting this world to other dimensions was opened, and various monsters continued to appear. At the same time, a profession called "gatekeeper" also appeared in this world. One day Qinghe suddenly awakened the system. In this society where levels are basically fixed after awakening, Qinghe levels up alone. So what interesting things will happen to him? Let's wait and see. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.