In a modern city that is completely consistent with our real world and does not have any extraordinary powers (martial arts, magic, supernatural powers, etc.), The protagonist (name can be customized) is an ordinary young man (community animal, college student, small shop owner, etc., Identity can be set flexibly), living a dull and even somewhat frustrated life.
One day, a **special "system"** that surpassed the current level of technological understanding suddenly bound him. This system is not the traditional system of killing monsters and upgrading, cultivating immortals and becoming gods. Its functions and purposes are more unique and "imaginative".
"It's tied to a weird system that doesn't generate electricity, doesn't cultivate immortality, and is only responsible for 'optimization.' I wanted to just keep it in check, but I accidentally messed up my ordinary urban life."