Murong Yu, a cannon fodder man, is mentally disabled and physically weak.
After experiencing a series of blows including being dumped by the goddess, being disgusted by the goddess' boyfriend, and being stabbed by the goddess' boyfriend
He finally broke through the plot's restrictions on his IQ and changed the originally miserable setting that belonged to him.
From then on, a door to a new world opened for Mr. Yu√
Murong Yu then embarked on the road of no return where he used the system to increase his IQ.