In short, the story never goes anywhere. A never-ending cycle of the MC being underestimated by a higher-ranked player, grinding enough to find bugs or exploits that let him obtain an advantage over the dude looking down on him, interactions with a recurrent character that helps him and/or some real-life shenanigans that have zero impact in the overall plot, he defeats the antagonist, rinse and repeat. Even in the final battle that “decides” the whole game, he's underestimated by a higher-ranked player, MC wins without much difficulty, fade to black. It's like the author read a poorly-made summary of the legendary moonlight sculptor and decided to make a whole novel out of it.