Mob Psycho 100 Volume 9 (manga)

Even Mob has a social life…but Reigen’s constant demands on his time are starting to seriously interfere with his friends and school. When Reigen carelessly suggests only he truly understands Mob, his disciple walks out on him!

Now Reigen has to take a hard look at his own career, and decides the only way forward is to make his business legitimate—but that’s going to be put to a tough test when the con artist exorcist is asked to cast out a spirit on national TV!