Io and Daichi are reunited with Hibiki in Nagoya, just as the next Septentrion is due to attack. Much to everyone's surprise, the assault comes not in their general area but directly atop them! The three friends find themselves joining forces with Airi...

At JP's Tokyo Branch, Prof. Kanno works to rebuild their Terminal technology from scratch as the threat of renewed Septentrion attack looms. Elsewhere, Io and Daichi arrive in Nagoya in search of Hibiki, and soon find themselves drawn into the band of ...

The three entities of the Septentrione have finally manifested and are heading straight for Tokyo, Osaka and Nagoya. Hibiki, armed with secret knowledge must find a way to stop the enemy advance.

Ronaldo and Yamato reach an uneasy truce and decide to work together. Faced with imminent attack from the Septentrion Megrez, they divide protection of Nagoya, Osaka and Tokyo between themselves and Hibiki.

Alcor, aka the Anguished One, has by now not only revealed his true nature, but made good on his pledge to give humanity the tools to fight for survival. As he adjusts to his new life among the others, Alioth, the fifth Septentrion, manifests in the ar...

Mizar, the sixth Septentrion, will soon manifest in Tokyo -- but Yamato has already plotted its course, and devised plan of attack. To defeat Mizar, JP's will summon a powerful demon named Lugh; unfortunately, controlling it will mean trapping it in a...

The seventh Day of Judgment has arrived, and the final Septentrion appears, leaving a path of destruction in its wake. With Hibiki still in a coma following the previous day's encounter, Daichi and the others -- armed with a newly redesigned summoning ...

Daichi, Hibiki and Io are transferred from Tokyo to the JP's Osaka Main Bureau. There, they encounter Hinako and Keita, two recently recruited Summoners. No sooner has the trio arrived than Osaka finds itself under a massive attack, one that combines ...

Three friends are thrust into a war they never asked to be a part of, wielding demons that they summon through their cell phones to battle the invading Septentrione, with the entire world at stake.

The battle against the Septentriones is complete, and the final battle line has been drawn. The Void continues to expand, devouring all of existence, and Alcor and Yamato finally resolve their long-brewing conflict. In the end, only Hibiki will remain...

The old world is gone, and Yamato stands poised to remake the world as he sees fit. Hibiki is determined to thwart him, but it will take all his resources as Yamato reveals the true extent of the demon-summoning app's powers. Using its function of demo...

Daichi and Hibiki are two high-school friends on the verge of graduation. The latest rumor to go around their school: Nicaea, a "dead face delivery site" that supposedly sends photos of one's friends at the time of their death. When Daichi and Hibiki s...

The fight over room 106 is officially on a cease-fire as they've all received a voucher to travel to a ocean-side resort for relaxation and hot springs. Everyone is excited and they all decide to go buy some swimsuits, but something seems to be going o...

We're enemies. Sanae was shocked by his words and leaves the lodge by herself, and then is captured by ghost hunters. Everyone tries to go find Sanae, searching high and low. A female spirit tries to sway Sanae's heart, but to what end? Koutarou has so...

Koutarou and the others fight over their points to try to come up with a idea for the theater club. Theia's the "Silver Princess and Blue Knight" gets picked. Sakuraba Harumi gets picked for the Silver Princess role, and practices with Koutarou, when T...

Theia gives Koutarou special training for the Blue Knight role in the play. Someone unusual shows up to the stage, though... Then one day, there's a malfunction and Koutarou gets hurt protecting Theia. Clan appears and contests Theia over the thrown. T...