Arata Kasuga is living an ordinary life with his cousin, Hijiri, when a mysterious happening called a "Breakdown Phenomenon" makes her vanish before his very eyes. Determined to eradicate the Breakdown Phenomenon and get Hijiri back, Arata enrolls at Royal Biblia Academy. It's a tough road ahead, but nothing's impossible when you've got seven beautiful girls—each a master of her own magical art—by your side! The romantic comedy and sometimes-serious wizard school story begins!

One of Trinity Seven's own members, the fiendish Liese, attacks Arata with a "passionate kiss" that purloins all of his magical powers! With the Demon Lord Candidate's magic in her possession, Liese's powers are unmatched. But the key to defeating Liese must lie with the Demon Lord Candidate Arata! What will happen when he's forced to undergo insanely tough training?! It's Volume 3 of this romantic comedy and sometimes-serious wizard school story!

Arata Katsura vive una vida normal junto a su prima, Hijiri. Un día, todo se pone oscuro y un misterioso acontecimiento denominado "fenómeno de colapso" la hace desaparecer ante sus ojos. Decidido a erradicar ese fenómeno y a traer a Hijiri de vuelta, Arata se une a la Academia Royal Biblia. Es un duro camino por delante, pero nada que sea imposible cuando cuenta a su lado con un grupo de siete chicas superguapas—cada una maestra en su propio arte mágico—, las integrantes de “Trinity Seven”.

It's time for the main event of the school festival, the Magic Research Battle! All of Trinity Seven (plus Arata) are arming themselves for battle against tough opponents from the rival Royal Magic Academies, but first they'll have to face—each other!? It's a knock-down, drag-out fight to the finish with only one pair left standing!

(Volume 10)It's time for the main event of the school festival, the Magic Research Battle! All of Trinity Seven (plus Arata) are arming themselves for battle against tough opponents from the rival Royal Magic Academies, but first they'll have to face—each other!? It's a knock-down, drag-out fight to the finish with only one pair left standing!

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?!

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? Meanwhile, Arin and Hijiri partner up on an important quest—rescuing Arata!

An extra-SEXY volume packed with all the extra fanservice readers can handle! The ladies of Trinity Seven...visit the hot springs! The ladies of Trinity Seven...have a cosplay contest! The ladies of Trinity Seven...show off their swimwear! Titties and titiLLATION abound in this light-hearted detour before the series heads back to the serious main story!

Liese obtains a new power to destroy the twelve demon commanders and rescue Selina!

Guttlehoge of the Twelve Demon Commanders attacks with enormous strength, forcing Hijiri and Anna to summon every iota of their magic, leaving their bodies bloodied and bruised…The two girls pour all their strength into one final, desperate gambit—a forbidden spell that could cost them their lives! What outcome awaits them on the other side of this fight?!