The exorcism gone wrong last volume now threatens Mob and Reigen with the most dangerous evil spirit yet!
 
It seemed like it could be a lucrative job freeing a multimillionaire’s daughter from her possession. But it turns out the entity haunting her was once itself a spiritualist—its life gone, its power and grudge remaining. To defeat a ghost that can control a body…Mob must leave his own!
 
From...

"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...

"A young boy with psychic abilities attempts to live a normal life."--

"In a showdown with Black Vinegar Middle School's shadow gang leader, Teru, Mob sticks to his policy of nonviolence and refrains from using his powers--and gets knocked out! The fight seems over for Mob...but something then awakens in Mob, beyond the confines of his conscious mind! And in the aftermath, a new story develops with Ritsu, Mob's conflicted younger brother who enjoys the social success Mob desires...yet still longs for what Mob has that...

"A cult is starting to form...around Mob! While Mezato tries to dig up info on the shy but powerful psychic for the school paper, Mob gets tricked into an abduction plot designed to force the Body Building Club into a fight with the delinquents from their rival school. But when the other school's 'secret leader' Teru turns out to be a fellow superhuman, it's going to be a massive but one-sided fight...because super or not, Mob refuses to use his ghost-busting...