Shura Kirigakure, a high level Exorcist and former apprentice of Father Shiro was acting as one of Rin's classmates tasked to investigate his connection with Satan. With orders to kill him if it were proven true, she is divided between fulfill her obligations and follow Shiro's request to look after Rin in his place if something would happen with him. Her doubts are cleared when she confronts Rin and finds that Shiro was actually raising him like a son instead of a weapon.

The first semester has ended, signaling the start of summer vacation for True Cross Academy students. But there’s no rest in sight for Rin and the other ExWires: first they must take part in a 3-day drill to prepare them for actual combat, under the guise of a camping trip out in the forest.

Suguro's joint strategy pays off, and the Exwires have success in their sights! But then a gigantic moth demon (cuchi) appears, and attacks Rin the moment he lets his guard down!

Consumed by the power of the flames during his battle with Amaimon, Rin goes berserk! He regains control of himself once his power is exhausted...only to be captured then and there by the current Paladin, Angel!

As the hearing drags on, the Order finds itself unable to decide on Rin's fate, as Mephisto has proclaimed him to be "a weapon for counterattacking Satan." Just then, something happens…!

Rin undergoes training to master his demonic flames, when a giant bird-like demon swoops in on him! After driving it away, all of the Cram School members are sent to investigate how the demon infiltrated the academy...

The Exorcism Cram School students are having a ball with Shima's birthday-based fortune-telling. When they discover that Izumo's birthday is coming up, they hit upon the idea of throwing her a surprise party!

Southern Cross Monastery, where Rin and Yukio grew up, has come under attack by a mysterious assailant! Leaving behind these cryptic words: "I will never forgive anyone related to Satan," the masked assailant escapes...

The assailant has escaped, but things are just getting back to normal after the monastery attack. Just then, someone appears before Yukio!

In light of the recent incidents, Mephisto is dismissed from his post as director. The Order’s Supreme Advisors are ousted as well, paving the way for Ernst to become Pope. And the newly appointed Preceptor of the Japan Branch is revealed to be...

Ernst is scheming to open the Gehenna Gate by using the blood of Rin, son of Satan. In order to protect his wounded older brother, Yukio offers to take his place.

Hordes of demons are spilling out of Gehenna Gate, and are now indiscriminately attacking the people of True Cross Academy Town! Meanwhile, Rin has been rescued by Suguro and Shiemi and is starting to come to. What Rin sees when he awakens is...

Satan has transformed himself into a gigantic Gehenna Gate, and is attempting to absorb all of Assiah. Rin and Yukio, joined by Shura and Angel, attack the gate. Meanwhile, at the school, the exorcists defend against a myriad of demons.