Battles for ancient kingdoms are nothing compared to the battles of a classroom!Awakening from magical stasis after a thousand years, the Dark Lord Leonis suddenly finds himself in the body of a ten-year-old boy! He quickly meets Riselia, a girl confronting the Voids, creatures that have nearly exterminated humanity. Determined to uncover the mysteries of this strange new era, Leonis enrolls in Excalibur Academy, a school that trains students to fight back against these enigmatic monsters. Could the Voids hold some connection to Leonis’s past?

The Holy Sword Dance Festival is fast approaching, and while Riselia and the other girls of the eighteenth platoon are training hard, Leonis is still missing. He and two other Dark Lords have been spirited away to some strange dimension ruled by Voids and are forced to search the desolate landscape for a way home. Meanwhile, the sinister forces behind the D Project plot to bring Camelot to ruin. A world apart, Riselia and Leonis desperately wish to see each other again, but will they survive long enough for a reunion?

THE GODDESS’S CALL ​A recent rash of incidents has seen Holy Swords spiraling out of control and becoming twisted weapons known as Demon Swords. No one is sure as to the cause, but every Holy Swordsman affected claims to have heard the voice of a goddess, a detail that catches Leonis’s attention. However, there’s no time to investigate, as he and the rest of the eighteenth platoon are sent on a mission with other students to eradicate a Void Hive that crops up in Necrozoa—the site where Riselia found Leonis. So many Voids appearing in such a conspicuous place…could this be connected to the Demon Swords and Leonis’s past?

A MYSTERIOUS HIJACK ON THE HIGH SEAS! When a princess visits the Seventh Assault Garden, Leonis believes it’s a chance to expand his influence as a Dark Lord. Unfortunately, the celebrations are cut short by a Void attack. Things get only more treacherous when a rebel group seizes control of the princess’s ship! Leonis and the rest of his squad plan to retake the vessel, but there appears to be more at work than a simple insurrection. And why does Regina seem to know so much about the princess?

AN OLD FRIEND RETURNS With a holiday called the Holy Light Festival fast approaching, the girls of the eighteenth platoon decide to host a haunted café in their dorm. The event is meant to celebrate the arrival of the Sixth Assault Garden, home to Elfiné’s older sister, Clauvia. The mischievous woman is part of a research team that recently made an incredible discovery in the northern tundra—a massive creature sealed in impervious ice. Much to his astonishment, Leonis recognizes the winged beast as an old rival he never managed to beat. When the monster is set loose to wreak havoc, will Leonis manage to take it down in time?

THE PRICE OF VENGEANCE Nine years ago, Sakuya lost her home and sister to a powerful Void Lord. She’s dedicated her life to fighting the Voids ever since. However, when a group of the Sakura Orchid’s greatest fighters, the Kenki Gathering, contact her with a plan to use the Seventh Assault Garden as bait for the Void Lord, she’s left in a difficult position. While she wants revenge, it can’t come at the cost of her new home, but Sakuya can’t stop the Kenki Gathering by herself. Fortunately, she knows someone who might be able to help...a Dark Lord!

Showdown in Castle Town! Having successfully averted the airship attack, Satou and company arrive safely in the royal capital. There, they are reunited with Nana’s “sisters”—Numbers 1 through 8—and give them the gift of a lifetime. But as is tradition with every trip to the capital, Satou must rub elbows with the aristocracy before he can enjoy his sightseeing. He even receives a surprise visit or two, including a summons from Sir Juleburg of the Eight Swordsman of Shiga! Because no leisurely trip would be complete without a friendly duel…

A ring’s the thing ​Red is prepared to take the next step with Rit and wants to propose. Determined to find the perfect stone for the engagement ring, he plans a trip to a mountain range known as the Wall at the End of the World. Meanwhile, a former member of the Hero’s party, Yarandrala, shows up in Zoltan looking for Rit. Although she causes a bit of trouble after a misunderstanding, her presence may be fortuitous as all is not well up on the peaks. What started as a simple excursion for a ring quickly becomes a struggle for survival with all life on the mountains hanging in the balance.

As dawn breaks and ends the night of the witch hunt, the Nebulis Sovereignty finds that it's sustained nearly insurmountable damage. Its citizens are pointing fingers at the royal family, demanding they take responsibility for the chaos and accelerate the Conclave to select a new queen. Meanwhile, Alice entrusts Iska with the task of rescuing Sisbell, the only one capable of revealing who is responsible for orchestrating the Imperial raid. Iska's next destination? The research facility run by the House of Hydra!

When one curtain falls upon the big top stage, another rises behind the scenes, as young Earl Ciel Phantomhive and his virtuoso butler, Sebastian, face off against the villain behind the missing children. But as Sebastian, under orders from his master, single-handedly draws the gruesome tale to its sad conclusion on one front, battle lines are drawn on another! With the masterless Phantomhive Manor under attack from the Noah's Ark Circus and Sebastian nowhere nearby to protect its inhabitants, is Ciel's home once again headed for the same tragedy that took the lives of the young earl's parents?