Rin Okumura begins to worry about his future as his twin brother,his twin brother, Yukio, is starting school at the prestigious True Cross Academy. Sent to a job interview by his foster father, Shiro, Rin encounters a demon-like creature and causes havoc in the store.

Rin, Shima and Izumo have been sent on a mission, only to end up working instead. They meet a boy named Yohei and learn of the "Demon of the Deep." Yohei lost his father to this monster, and wants revenge. Worried, Rin and the others watch over him.

Vowing to become an exorcist, Rin is taken to True Cross Academy by the mysterious Mephisto, a friend of their late father. Later, Rin heads to the Exorcist Cram School, as Mephisto warns: “You must keep that you’re the son of Satan confidential.”

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...

To overcome her shyness, Shiemi secretly vows to “Make friends!” But she’s foiled by her klutziness. After displaying her Tamer skills in class, she finally asks Izumo to be her friend! Soon after, the Exorcist Cram School holds a boot camp.

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.

Senior Exorcist First Class Shura Kirigakure stops the battle between Rin and Amaimon. Rin learns that Shura was once a disciple of Shiro's - and that Shura has targeted him for elimination - "the job that my mentor failed to do!"

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...

Fighting together for the first time, Rin and the others barely survive a harrowing attack. Suddenly, Mephisto and the cram school teachers are before them! Sensing something odd in Noihaus’s behavior, Yukio confronts the teacher, only to discover…

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

Rin is always snoozing in class, much to star pupil Suguro's irritation. Suguro's striving to become an exorcist so he can restore his family's temple in Kyoto, and being classmates with such a slacker is more than he can bear.

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...

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.

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!

The class investigates ghost sightings at an amusement park. Rin is partnered with Shiemi, and they find the ghost of a child. He runs away, turning things into a game of tag! Separated from Shiemi, Rin is confronted by Amaimon, King of Earth.

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...