In the year 2099 of the Integrated Calendar, in the city of Shinjuku, a city that has reached the ultimate pinnacle of development, the legendary Demon Lord Veltol returns. Amidst the splendid prosperity of the colossal city-state lies a brutal 'darkness' concealed beneath the surface. With the intention of dominating this new world, the Demon Lord rises to action within the boundless future!
“Maou Army’s strongest magician” I’m called. Ike, a demon capable of capturing a fort alone. Clearing away enemies with immense magic, he is without a doubt a monster held in awe by friend and foe. However he has a secret he can’t tell other demons. “I, actually I’m human you know.” Using modern knowledge to keep his secret, he became treated as a great commander and the driving force of the Maou’s army.
Lavinia was framed by her beloved father and labeled a villainous young lady. To raise funds for her revenge, she chose Hotel Alheim, a converted Demon King's castle. She tried to seduce the handsome young general manager, Ruudbert, a descendant of the Demon King, and seize management rights, but her attempt failed quickly. However, Lavinia, who aims to rise to power, uses her "knowledge of evil" to solve the problems of guests one after another. A tale of ambition and humanity unfolds at the Demon King's hotel! (Source: Kadokawa, translated)
Before I realized, I had become the guardian of a dungeon, a Demon Lord. I was suddenly in a dangerous world with giant monsters loitering around, fighting for their existence, so I thought to go about developing the dungeon in order to not die but —- for some reason I was having quite the good time…. How did it turn out like this? The protagonist, Yuki, having to live in that world now, uses his bold and sharp senses and spends time with a supreme dragon girl and a vampire girl; Sometimes laughing, sometimes being angry, passing days doing what he likes.
In a world where the war between humans and demons (magical beings) never seems to end, one day, the Demon King Gil arrives at Hazelbart Kingdom, the strongest of all human kingdoms. Gil presents a shocking proposal — a truce and peace treaty between the world of humans and the world of demons, on the condition that both sides respect each other’s territories and never cross the border. Seeing this agreement as a chance to elevate her own son’s status, the kingdom’s second queen secretly hatches a devious scheme. As a result of her plot, Princess Estelle is chosen as the sacrifice — forced to marry the Demon King as a condition to seal the peace treaty… Suddenly, Estelle finds herself the bride of the Demon King — a man completely foreign to her world, with a cold expression and mysterious intentions.
Demon King Ahriman has a problem: his daughter, Dou, loves everyone! Consequently, Ahriman had to halt his invasion of the world in the worry that his daughter's behavior isn't one befitting someone of her kind. She loves making friends, helping others, and bringing happiness to all creatures including their enemies, the humans. Ahriman, however, congratulates Dou for her good deeds instead of scolding her. With the help of his aide Jahy, assigned as Dou's master, the two try to get rid of her kindhearted nature—so that the Demon King's daughter goes from a cute, adorable, and nice little girl to an inhuman, cruel, and twisted little demon.
In the final showdown between the Demon King and the Hero, the latter used all his power to seal away the former. To exact her revenge on her father’s nemesis, the Demon King’s daughter, Hel, resurrected the Hero and planned to use him as her personal servant. However, the resurrected Hero is unexpectedly dazzling and dashing, and Hel’s composure begins to waver. Will she ever be able to torment her new servant?
Orphaned after the his parents were murdered, Uta Rain was ultimately auctioned off as a slave. Certain that he would be treated terribly no matter where he was taken, Uta was in despair. But what awaited him was... a luxurious meal and five pretty sisters. However, they were the daughters of the demon lord who was defeated by the hero 16 years ago?! Uta's fate begins to change drastically!(Source: Takeshobo, translated)
The story of the demon king and her loyal subordinate Aslia is recounted in a concise narrative.
Zagan is feared as an evil mage, he is awkward and has a sharp tongue, and once again had to put down thieves that encroached on his territory when he was researching that morning. In a dark auction, he finds a white slave elf, Nephie, who holds a peerless beauty. Falling in love with her at first sight, he uses his fortune to buy her, but as poor as he is socially, he doesn’t understand how to connect with her. Thus, the clumsy cohabitation of the mage that can’t convey his love, and the slave that pines for her master but doesn’t understand how to bring it up, begins.
Lexi Adelmann, a second-year student at Arcana Academy, is a fire magic prodigy— wild, energetic, and so powerful even her teachers struggle to keep up. But when a mysterious top student named Ignart transfers in, Lexi is assigned to partner with him on a dangerous mission: Track down a group of elite adventurers who went missing during a top-secret operation. These missing elites would later become known as the “10 Heroes of Morta.” For Lexi, it’s her first time meeting someone with power equal to her own, and the thrill is undeniable. For Ignart, it’s his first time dealing with someone this unpredictable. Can this chaotic duo overcome their clashing personalities to complete their mission—and possibly change the fate of the world? This is the untold story of Lexi and Ignart’s student days— a fiery and fateful journey before they became legends.