En route to Hellion territory in search of answers, the Demon Lord and company explore Animania and encounter its wild inhabitants. Meanwhile, Luna learns that her best friend is among a shipment of slaves being transported to Hellion territory by the powerful and theocratic Tzardom of Light. She rushes North to save her, where the Northern Nations are entangled in an age-old war.

The Demon Lord continues his adventure in this re-vamped series! After encountering the mysterious entity in the lowest level of the Bastille Dungeon, he sets out for Hellion Territory, where Grand Devils vie for domination of the realm. With the addition of a new advisor—the (seemingly) hopeless optimist Akane—the Demon Lord’s army grows even more colorful, and their hijinks even wackier.

As the city of Suneo hurries to recover from the destructive battle between the Mock Angel and Ancient Devil, the Demon Lord returns to his Secret Base in Animania. There, he learns of a slave market system in Hellion Territory and decides to gather intel while sowing chaos for the Devils. Along the way, he meets many new faces, finally reaching a band of Anima at the edge of the forest...

Conflict in the Northern Nations culminates in a clash between an ancient devil and a mock-angel in the capital city of Suneo. To save her friend, Luna faces down both entities with all of her might… Meanwhile, the Demon Lord puts his usual antics on hold to fly north. It’s high time for him to strike back against both the angels and the devils.

The Demon Lord and company venture to the human slave market within Hellion territory. Amid the battle to free the captives, the high-ranking devil Allit appears, seeking a rematch with the Demon Lord and mentioning an “Armageddon to come.” Conflict in Hellion Territory and the mysteries of this world thicken...

Having defeated the high-ranking devil Allit, the Demon Lord and company set off for Hellion territory, leaving chaos in their wake. There, Olgan’s father—the grand devil Belphegor—captures her. To save her from him once and for all, the Demon Lord storms into the grand devil’s sanctum!

Kaito Sena's life hasn't exactly been easy. Unfortunately for him, death isn't about to get any better. Summoned by none other than Elisabeth Le Fanu, the "Torture Princess," Kaito has to choose what he wants for his second life-be her butler, or die a long, painful death by torture. What is he to do but become her servant...and help her eliminate the fourteen ranked demons wreaking havoc in the world! See the original light novel come to life in this gritty manga adaptation!