Mob Psycho 100

Kageyama Shigeo (a.k.a. Mob) is an 8th grader with powerful psychic abilities. Working under his not-so-capable master, Reigen, Mob uses his powers to exorcise evil spirits. But his will to be normal causes him to suppress his powers and feelings until he hits 100 percent—a point where his pent-up emotions are unleased and a darker power takes over.