[Dual system + weird + rejection of internal friction + unlimited upgrades + plot flow + fast pace]
The protagonist Chen Ye travels to a world similar to Earth, surrounded by monsters chasing him.
Between life and death, the system awakens.
And the system is a little different, one side is lit and the other side is dim.
In the process of constantly killing weird things, another system was awakened.
An awakened person who has been upgraded and solidified. He is the only person who can upgrade and become stronger infinitely.
Real fast pace