Having lost his parents, eight-year-old Yuuichirou Amane is taken in by the Hyakuya Orphanage, where he struggles to bond with his new "family." However, this soon becomes the least of his worries, when a major pandemic suddenly strikes, killing all above the age of 13. Taking advantage of the chaos, vampires—who previously laid dormant underground—rise up and enslave the surviving humans, using them as livestock to harvest blood. Four years later, Yuuichirou and his family have adjusted to life under vampire control, although Yuuichirou still aspires to kill all vampires and end their reign of terror. This often puts him at odds with fellow orphan Mikaela Hyakuya, who emphasizes using wit and ingenuity to survive. Having garnered favor among high-ranking vampires, Mikaela gains inside knowledge and uses this to plan a daring escape. But during the attempt, the group of orphans is intercepted by vampire officer Ferid Bathory, who proceeds to massacre them. Yuuichirou is the only member of the group to escape to the surface, where he is discovered by the Moon Demon Company, a military unit dedicated to hunting down vampires. Given an invitation to join, Yuuichirou swiftly accepts, finally being presented an opportunity to achieve his ambitions and avenge his family.
After a fight with his foster father Shirou Fujimoto, Rin Okumura's life is transformed overnight when Rin is revealed to be the son of the demon lord Satan, king of the demonic realm of Gehenna. Soon after, his foster father becomes possessed and dies at the hands of Satan, leaving Rin and his twin brother Yukio alone in the world. Seeking revenge for Fujimoto's death, Rin attends True Cross Academy with Yukio in order to become an exorcist and join the Knights of the True Cross. Rin's new path, however, is filled with many difficulties. While new classes and dealing with his peers are already troublesome enough, he is also forced to conceal his newfound demonic powers and parentage. In addition, plenty of evildoers want to use him for their own ends. One misstep could lead to disaster, as not everyone at True Cross Academy is exactly who they seem to be...
In a newly discovered realm, Akira and his peers find themselves with exceptional abilities. Unfortunately, Akira is granted the role of an Assassin, while a fellow student takes on the prestigious title of Hero. However, Akira's cunning and conniving nature as a killer may be the most influential. With doubts about the true intentions of the king, Akira uses his newfound powers to delve into the mysteries and political schemes surrounding the royal family.
Officer Leonard de Limbourg commands Gerun Fortress, which comes under attack from prestigious general Jemaru Jan of the Middle Eastern Empire. Knowing victory is impossible, Leonard offers his own life in exchange for the safety of any survivors. However, Jemaru has no interest in executions and instead chooses to torture prisoners of war. Leonard is forced to submit to the enemy and sleep with Jemaru, feeling overwhelming shame but also experiencing intense desire.
Yuki awakens to find himself reincarnated as a demon lord in a foreign world. On top of this, he's been given the responsibility of managing a dungeon. Accepting his task, Yuki takes note of the predicament he faces in a world where formidable creatures roam freely and danger looms around every corner. In order to ensure the dungeon's survival, Yuki gathers allies and fortifies his defenses. Throughout his journey, he befriends a legendary dragon, a cute pet slime, and a vampire girl. Despite his willingness to take every precaution, life as a demon lord in a dungeon constantly under threat is surprisingly calm. However, with an eclectic group of characters at his disposal and more likely to come his way, Yuki is bound to encounter some obstacles. Will he be able to pull off a daring rescue mission? Furthermore, how will he and his monster girls fend off an attack from a hostile human kingdom?! Join Yuki as he balances his regular life, his duties as a recently appointed demon lord, and his expanding family of monster girls and pets.
Problematic for Demon King Ahriman is his daughter Dou's tendency to love everyone. In light of this, Ahriman has put his plans to conquer the world on hold because he fears her kindness is unbecoming of her lineage. Dou has a penchant for making friends, aiding others, and bringing joy to all creatures, even their enemies, the humans. To address this concern, Ahriman has chosen to praise Dou for her virtuous acts rather than chastise her. In collaboration with his assistant Jahy, tasked with overseeing Dou's upbringing, the duo aims to eradicate her benevolent disposition, transforming the Demon King's daughter from a charming, lovable child into a heartless, malevolent demon.
Roland, the renowned assassin who vanquished the demon lord, could have easily attained an immortal status, but it's the last thing on his mind. Instead, he's set on evading recognition and wealth to lead a conventional life. To achieve that, he applies for a post at the Adventurers Guild, a popular hub for audacious warriors to report their conquests. However, Roland is unlike any other worker and doesn't comprehend the reality of a "normal" existence. Can this exceptional assassin adapt to the humdrum life at the guild?
Norl, a unique and advanced beauty with exceptional skills, stands out from the crowd. On the other hand, Heihachi, an ordinary mobile game enthusiast, struggles with financial constraints. However, fate takes a turn when Heihachi manages to obtain an extraordinary item, transporting him to a different world with the power of the gacha. With danger lurking at every corner, the only course of action for Heihachi is to rely on his gacha skills. Much to his amazement, he witnesses his unit spring into existence in front of his very eyes. While Heihachi is accustomed to seeing charming girls emerge on his phone screen, he never imagined encountering one in real life through his device.
Itsukihime was a shrine maiden living in the mountain village of Kadono during the Edo period. Jinta, her guardian, encountered a mysterious demon while on a forest mission to defeat it. The story spans centuries, from the Edo period to the Heisei era, and follows a demon-man on his journey through time as he ponders the weight of wielding a sword in this epic Japanese fantasy tale.
The nobles whisper and take pity on the lovely yet unfortunate Letitia Grey, who was forced to marry a monster. Considering their contempt for Lord Erden Halstead, no one believes a tender girl should endure a tortuous life with a heinous murderer who must cover his repulsive face. But to everyone's surprise, Letitia rejects even the most handsome of suitors and eagerly returns to her husband. In truth, a woman from Korea inhabits the body of Letitia in this fantasy world. Letitia's uncle promised one of his daughters to the Halsteads, but given Erden's reputation, he sacrificed his niece Letitia instead. While Letitia imagined the vile Erden would eventually kill her, the man she meets is nothing like the rumors. Moreover, when Letitia sees his face for the first time, her knees weaken and tears well up in her eyes—for Erden is the most beautiful man she has ever seen!
Flum Apricot never had aspirations of being a hero. Despite having no significant skills and an unusable power, she finds herself joining a team of heroes. However, her life takes a turn for the worse when the highly regarded party sage, Jean Inteige, deems Flum worthless and plots to sell her into slavery. Facing monsters, doomed to be their prey for her master's amusement, Flum grasps at a cursed weapon and unlocks an unknown power. Follow the harrowing journey of Flum as she fights to reclaim her life in a grim and dark tale of bloodshed.