Mob psycho 100 is about a middle school esper handling his life. Even you have super OP power, you can't escape some mandane problem. Such as school life, emotion problem and socialization.
Some problem can't be solved by using power. You only escaped them. And it will be back eventually. Whenever you like or not.
The story was handled nicely. ONE put amount of work in this much. He put some forshadowing to use for future a lot. And some it has interesting short plot point between arc.
I feel like it's flow nicely from beginning to the end.
Even though, the art is put as bad regard. But, the story made up for it. That's why a bad art manga can get anime adaption nicely. (And it probably get boost from One puch man too)
If you compared art from this manga to other manga, It looks bad. But, you can also say it has an unique art style, I must say.