After discovering that he's the son of Satan, a young man must join the True Cross Academy in order to master his abilities and defeat Satan himself.
Cast: Nobuhiko Okamoto, Bryce Papenbrook, Jun Fukuyama, Johnny Yong Bosch, Brian Beacock, Kôji Yusa, Sam Riegel, Kana Hanazawa, Kazuya Nakai, Yûki Kaji, Hiroshi Kamiya, Christine Marie Cabanos, Kyle Hebert, Wendee Lee, Mona Marshall, Eri Kitamura, Kira Buckland, Kirk Thornton, Keiji Fujiwara, Kensuke Nishi, Rina Satô, Ben Pronsky, Tetsuya Kakihara, Doug Erholtz
Satan has transformed himself into a gigantic Gehenna Gate, and is attempting to absorb all of Assiah by expanding a rip in the dimension. Rin and Yukio, joined by Shura and Angel, attack the gate, but it's an uphill battle against Satan's overwhelming power.
Hordes of demons are spilling out of Gehenna Gate! And these intruders from the "Empty World" are now indiscriminately attacking the people of True Cross Academy Town!
Ernst is scheming to invoke 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.
In light of the incidents following the monastery attack, Mephisto is dismissed from his post as director. The Order's Supreme Advisors, the Grigori, are ousted as well, paving the way for Ernst to become Pope.
The assailant has escaped, but the monastery attack case is winding down. Just then, an elderly man calling himself Ernst appears before Yukio. He reveals the secret of Yukio and Rin's birth, as well as what the Vatican did their mother.
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 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.
Rin and Kamiki are attacked by an unknown enemy and Mephisto Pheles orders the Exwires to check the barriers protecting the school looking for any breach. The enemy is revealed to be a demon who took advantage of Konekomaru's fears to infiltrate the Academy.
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.
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.
Suguro's joint strategy pays off, and the ExWires have success in their sights! But then a gigantic moth demon (chuchi) appears, and attacks Rin the moment he lets his guard down.
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.
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!"
The Exwires are tasked to look for the ghost of a child that is haunting Mephisto Pheles' amusement park. Rin and Shiemi manage to find the ghost first, but Shiemi ends up chasing it by herself while Amaimon, a higher demon and another son of Satan, steals Rin's sword and forces Rin to fight with him.
Rin and his classmates Izumo and Shima are sent for their first mission as Exwires to a coast town aflicted by the presence of a Kraken. Izumo stumbles upon a boy whose father set to face the Kraken six months before and is still missing.
Blacky went beserk when she heard the Father Shiro died and kept telling the exorcists that they were all lying about his death though only Rin could understand her (He said it may because they are both demons). When Yukio was about to use the item that Father Shiro gave him before if ever this scenario happens, Rin told him to let him calm Blacky down.
Mephisto Pheles reveals to the students that the ghoul attack was actually part of the Esquire exam and how they dealt with the threat will count as part of their evaluation. Yukio confronts Neuhaus about his reasons to force Rin to use his demonic powers during the exam and he claims that all he did was under Mephisto's orders. However, it does not take much for Yukio to realize Neuhaus' real intentions.
Still troubled after her friend Paku decides to leave the Exorcist lessons, Kamiki gets involved in a fight with Bon and the entire class end up punished by Yukio. Just after Yukio leaves for a mission, the students are attacked by another ghoul and while trying to help the others, Rin learns that the monster was sent by one of his teachers who wanted to confirm that he is the son of Satan.
Eager to make new friendships, Shiemi asks her classmate Izumo Kamiki to be her friend and she pretends to agree, but Rin soon realizes Izumo is just taking advantage of Shiemi's kindness instead. Later, the students are reunited at the old dormitory to take part in the Exwire exam, where a demon attacks Izumo and her friend Paku by surprise and it's up to Rin and Shiemi to protect them.
The biggest headache of Rin's school life is his daily meals. On Yukio's advice, Rin starts cooking in the dorm kitchen, preparing lunch the night before. But in the morning, all the food has vanished!
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.
Yukio sets out to the school's Exorcist-only shop to stock on some supplies along with Rin. There they find that the owner's daughter, Shiemi Moriyama, is being afflicted by a demon that dwells in her family's garden and, to save her life, they confront it by themselves.
As part of his training to become an Exorcist, Rin gets himself enrolled at the True Cross Academy. On his first day of classes, Rin becomes shocked to know that his twin brother Yukio is already an Exorcist and will be one of his teachers.
Fujimoto and his companions try their best to protect Rin from the demons who are after him, but he ends up posessed by Satan, the most powerful of the demons and Rin's father. Seeing his guardian taking his own life to protect him fron Satan, Rin decides to fight back by unlocking his demonic powers, even knowing that by doing it he would not be a human anymore.
Rin Okumura is a teenager with a natural gift to get himself in trouble. Despite that he tries his best to meet the expectations of his twin brother Yukio and Priest Shiro Fujimoto, who acts as their guardian, until he finally learns about the dark secret behind his origin.