MHA: 'Serene' Life in Another World SLAW

A world filled with Superpowers called Quirks where some people use these Quirks as they wish. Some use it for the betterment of the society while some use them for their own motives. This making them stand against each other, one being Pro-Heroes and other being Villains.
When the transmigrated MC takes over the body of a quirkless noodle shop owner Shido Kanzaki, he first panics but after finding his 'cheat'. He had to decide one of the sides to start but he decides to choose neither of the sides.
The 'cheat' being GTA San Andreas System.
(The System is only a normal system which does not have any sentience and cannot communicate with the MC.)