ONE is easily one of my top 10s too and for a lot of inspiring creators their influence probably due to the fact that his first few chapters of one punch man Webcomic not being “great” in terms of the subjective view of what a manga should look like but his story was stellar.
The fact that he has developed his style so much throughout the years as well as greatly improving his Art to be one that you know just by looking at it is amazing to say the least.