The final fight of the Magic Research Battle finally arrives, bringing with it an unimaginable outcome! It seems all's well that ends well, but after the festivities, a mysterious woman attacks the school! Mira, Akio, and Levi intercept her, but she counters with a rain of hellfire! Will the girls of Trinity Seven be able to handle this envoy of the True Demon Lord...?!
High school student Mitsunari Miyazawa had aspirations of becoming a screenwriter, but after being eviscerated by a demon, he's living a new life as a demon hunter! Unfortunately, he's off to a less-than-auspicious start, as a vicious demon clan is already gunning for him...
It's a face-off between Luxuria masters, as Lilith and Anna battle it out! There's only room for one of them in Trinity Seven--who will reign supreme? In the world of Demise, Arin and Hijiri partner up on an important quest--rescuing Arata! He's sleeping deep within the halls of the Terminus Library. Will the power of true love be able to wake him from his slumber...?
Arata has vanished, and it's up to Trinity Seven to save him! Akasha Academy is the prime suspect--what is Anastasia hiding behind her knowing smile? The girls from Biblia and Liber Academies must form an unlikely alliance to ensure Arata's return. They say that "the enemy of my enemy is my friend," but can that new friendship survive...a Breakdown Phenomenon?!
The Magic Research Battle continues with an anticipated match--magical geniuses Lilith and Mira vs. fighting powerhouses Akio and Levi. But unbeknownst to Trinity Seven, there's something sinister underfoot. The Maguses of Akasha Academy are calling for the start of...the UNDERGROUND Magic Research Battle?!
Thanks to Arbariccia's counter-strategy, Arata is trapped in a library of nostalgia. Can he escape that calm and gentle world?!
Drawing on Lilith's and Lilim's powers, Arata gains a new form! Meanwhile, Arin arrives at Dante's Gate only to be confronted by Farfarea of the Twelve Demon Commanders. Things are looking grim, until Yui and Levi show up to even the odds! It's one chaotic development after the next, including a possible civil war among the Demon Commanders-could the advent of the true Demon Lord be close at hand?!
An intruder from Heaven descends to spoil the momentary peace and announcesto Selina that "we need your power" before leaving. At the sametime, the worst god of all, the "Goddess of Deep Darkness" isgetting close to awakening and a sense of disquiet is starting to hanging theair.
Arata is barely two steps into Dante's Gate when he meets a new damsel in distress-Ilia's little sister Okto. The younger Ilias Fragment begs him to travel through the nine circles of hell to rescue her trapped sisters. The Twelve Demon Commanders guard the imprisoned grimoire girls...Is Trinity Seven strong enough to take on the monstrous servants of the True Demon Lord?!
Arata has been cursed by the Great Demon Lord Dis Trinity, and he has only three hours left! The secret to surviving lies in the Demon Lord factor.