Manga Like I've Become the Devil's Master

Long ago, the kingdom of Kouka was ruled by a red dragon who took human form. Alongside him were four warriors, each bearing dragon blood, who helped usher in an era of prosperity. With time, this tale became nothing more than a children’s fable. Yona, the sole princess of Kouka, lives a life of luxury and ease. She cherishes her cousin, Su-won, and is protected by her guardian, Son Hak. However, she remains oblivious to the hardships that lie beyond the castle walls. Her idyllic world comes crashing down when Su-won orchestrates a violent coup and slays her father. Fleeing for her life, Yona escapes with Hak as her sole companion. Despite facing countless foes, the exiled princess is resolute in her desire to save her homeland. A banished priest reveals to her that the only hope for restoring order lies in locating the four legendary dragon warriors. Inspired by this seemingly fantastical quest, Yona sets out on a journey to find these warriors, driven by her determination to reclaim her rightful place as ruler of Kouka.

In the series "Kami nomi zo Shiru Sekai," high school student Keima Katsuragi is known online as the "God of Conquest" for his unmatched success in dating simulation games. He finds real-life interactions with actual girls frustrating and inferior to his virtual experiences. One day during his break from cleaning duties, Keima encounters a peculiar challenge to win over a real girl. Curious, he accepts the offer, which unexpectedly summons Elucia "Elsie" de Lute Ima, a demon sent from hell to reclaim rogue spirits that have attached themselves to human females. Keima tries to escape, but Elsie tells him that breaking their newly established contract would result in his death. With no choice, Keima uses his gaming skills and knowledge of dating simulations to navigate the complex world of real relationships and capture the rogue spirits.

Chise Hatori has always been able to see supernatural beings, but that ability has never brought her happiness. Abandoned by her parents, she endures a harsh life and eventually decides to sell herself at a slave market in hopes of finding a place to belong. There, she is offered as a rare "Sleigh Beggy," someone with extraordinary magical sensitivity. Her last hope is Elias Ainsworth, a mysterious magician who appears more creature than human. Instead of making her a slave, he chooses to take her in as both his apprentice and his bride. Taken to Elias's home in the English countryside, Chise enters a world where fairies and dragons live alongside humans. But she soon realizes that her new life brings fears as well as wonders. At the center of it all is the unsettling question of whether she has fallen into the hands of something even more dangerous than the hardships she left behind.

Negi Springfield, a ten-year-old wizard who recently graduated from Merdiana Magic Academy in Wales, has two primary objectives: locating his missing father, the legendary Thousand Master, and earning the title of Magister Magi, a wizard whose purpose is to aid the non-magical world. As his final assignment, he is sent to teach English at a Japanese middle school. Upon his arrival, Negi is surprised to discover that he is responsible for a homeroom class of thirty-one girls. One of his students, Asuna Kagurazaka, accidentally discovers his magical identity. With this secret now exposed, Negi must prevent it from spreading further while dealing with various magical threats emerging both inside and outside Mahora Academy, all while continuing his search for his father.

In the kingdom of Tanbarun, Shirayuki, a renowned herbalist, catches the unwanted attention of the conceited prince Raji Shenazard because of her striking red hair. Faced with the unpleasant proposition of becoming his concubine, she decides to cut her hair and flees the country under the cover of night. During her escape through the woods, she encounters Zen Wistalia, the prince of the neighboring nation Clarines. After Zen consumes a poisoned apple sent by Raji to lure Shirayuki back, she swiftly employs her expertise in herbs to save him. With Zen and his allies Kiki and Mitsuhide by her side, Shirayuki journeys to Clarines, aspiring to establish herself as a court apothecary. As her sentiments towards Zen deepen beyond simple camaraderie, they both must address the challenges posed by their differing statuses while pursuing their own aspirations. Additional one-shots included: Volume 1: Hachigatsu no Shikisai (Colorful Seasons of August) Volume 2: Bokura wo Tsunaide. (Connect Us) Volume 13: Shizuku no Saki ni (Beyond the Drops) Volume 14: Natsuyasumi 00-nichime (00 Days of Summer Vacation)

Kagome Higurashi's normal life is interrupted when a demon pulls her through a well, sending her 500 years into the past. In this era, demons exist alongside humans, and Kagome unknowingly carries a powerful artifact from her world—the Shikon Jewel. Any demon that gets this gem gains immense power, making Kagome a prime target. While fighting off a demon, Kagome accidentally shatters the jewel as she tries to defend herself, scattering its fragments across feudal Japan. Realizing the consequences, Kagome joins forces with the half-demon Inuyasha to collect all the pieces before evil forces take them.

Several months after the events of the first season, Youkai Academy has been rebuilt and a new semester begins. Tsukune and his companions return, having grown stronger. The true nature of Anti-Thesis is revealed, along with new enemies and a threat far more dangerous than anything they have faced before. Tsukune struggles with the monster awakening inside him. With guidance from Moka, Mizore, Kurumu, Ruby, and Yukari, he trains to control his vampire heritage and gain the power needed to protect those close to him. The second season explores more of the girls' backgrounds and their family connections. New trials await, along with new allies who will join their side. Together, they seek to uncover the secrets behind Moka's rosary and her bloodline.

Kraft Lawrence, a wandering merchant who travels alone, sees his usual routine of trading and travel change when he finds a naked girl with wolf-like features named Holo sleeping in his cart. Holo says she is a local harvest deity who people revere, but she has become tired of being the God of Good Harvest after giving the village plentiful crops every year while they did not appreciate her. She makes an agreement with Lawrence: if he helps her get away from the villagers, she will assist him with his business. As they go together to different towns, Lawrence finds out both the good things and the hard parts of being with a proud and clever wolf goddess.

In Tomoeda Elementary School, Sakura Kinomoto, a cheerful and kind-hearted 10-year-old starting her fourth-grade year, discovers a mysterious book called The Clow on her father's bookshelf one day. When she opens it, a small, winged creature named Keroberos emerges, speaking with an Osaka accent. He introduces himself as the Creature of the Seal, the guardian of the powerful Clow Cards inside the book. However, the Clow Cards have already escaped from their confinement. It now becomes Sakura's responsibility to recapture them before they cause chaos throughout Tomoeda. With guidance from her new companion, whom she calls "Kero," and support from her best friend Tomoyo Daidouji, Sakura uses a magical bird-shaped key and her newly awakened powers as the Cardcaptor to protect the town and preserve its peace.

In 2022, the launch of Sword Art Online—a revolutionary VRMMORPG powered by the NerveGear system, which allows complete immersion through direct neural connection—generates worldwide excitement among gamers. Yet their enthusiasm turns to dread when they realize the game lacks a critical feature: the ability to log out. The players become trapped inside the digital world of Aincrad, their physical bodies rendered immobile by the NerveGear. They face a grim ultimatum: clear all one hundred floors of Aincrad to earn their freedom, or suffer a fatal consequence—"game over" means permanent death in both the virtual and real worlds.

In the series Sailor Moon, Usagi Tsukino is a carefree 14-year-old attending Juuban Municipal Junior High School who prefers snacking and gaming over studying, leading to poor grades. She often cries when teased or scolded, seeming destined to be seen as just a lazy and emotional teenager. However, her life changes when she meets a black cat named Luna, who gives her a special brooch. With this, Usagi can transform into Sailor Moon, a guardian of justice. Her mission is to protect Earth from threats, find a lost princess, and search for the mystical Silver Crystal. As she takes on this role, willingly or not, she becomes involved with the mysterious Tuxedo Mask, makes allies, and takes on new responsibilities in this beloved magical girl story.

Asahi Kuromine is famous for being completely incapable of lying. One day, on his way back home, he accidentally discovers a shocking truth: his love interest, Youko Shiragami, is actually a vampire. Can Asahi manage to protect her secret? This is a funny, awkward, and truly unique vampire romantic comedy.

In a twist of fate, a university student dives into a popular otome game after countless recommendations. After easily clearing the normal mode, she begins to feel sympathy for the game's villainess, Penelope Eckhart, who is an impostor posing as the missing daughter of a duke. Believing she can also conquer the harder mode, she is caught off guard by the increased difficulty and eventually collapses from exhaustion. Upon waking, she finds herself reborn as Penelope in the game's world, where she is hated and hunted by nearly everyone. Now navigating this dangerous environment, Penelope must make strategic choices to avoid certain death. Her path could lead to the affection of a ruthless prince, a secretive mage, a noble from a fallen realm, or even one of her cruel stepbrothers.

Park Eunha, having died in modern-day Korea, is reborn as Raeliana McMillan, the eldest child of a newly wealthy baron in a world taken from a novel she once read. While her family spoils her, making life seem like a fairy tale, Raeliana discovers she is merely a plot device fated to be killed by her intended spouse, an event that kicks off the main story. Determined to avoid her predetermined death, Raeliana decides to manipulate a powerful figure: Duke Noah Volstaire Wynknight, the protagonist from an old-money family. Her plan is to change the course of the original narrative using her knowledge of future events. She proposes to give Noah crucial information if he agrees to pretend to be her fiancé. However, the Duke's deceptive nature complicates her strategy.

In "Trinity Seven: The Seven Magicians," Arata Kasuga lives a normal life with his cousin Hijiri until she disappears because of a mysterious event known as the "Breakdown Phenomenon." Resolved to stop this phenomenon and be with Hijiri again, Arata enters Royal Biblia Academy. With help from seven girls who are each skilled in a distinct type of magic, Arata starts a journey where anything appears possible. This shounen series mixes romance, comedy, and serious magical adventures together.

In a world where noble bloodlines are defined by jet-black hair, the red-haired Princess Nakaba of Senan is confined to a tower until she is forced into a political marriage with Caesar, the arrogant second prince of Belquat. Her only companion is Loki, a man distinguished by his canine ears, marking him as an ajin—a marginalized race with animal traits. Despite being treated as a possession by her scornful husband and living as a disgraced former princess, Nakaba resolves to endure her fate with stoicism. However, a splash of crimson blood awakens her latent power, the Arcana of Time, granting her the ability to see both her own hidden past and the futures of others. Manipulating destiny comes with a cost; saving a life demands another sacrifice. As tensions escalate across the continent, Nakaba must wield her newfound power to strive for peace and protect those she has come to hold dear.

Two winters have passed since the high-ranking demon Vivi left the demon world for the human realm. At first, he enjoys the tranquility, but the quiet life soon grows dull. His peaceful routine is broken one night when he finds a crying child on his doorstep. Acting on impulse, he takes in the abandoned girl and names her "Hana," planning to use her as amusement to pass the time. He resolves to get rid of her if she becomes a nuisance, keeping his distance from any attachment. Fourteen years later, Hana has grown and developed a deep connection with Vivi. Confused by her steadfast devotion, he struggles to understand his own feelings toward her. Can he continue to maintain his detached facade?

In a world where most people are born with an "Iris"—a special ability often expressed through visual cues, ranging from lie detection to predicting danger—high school student Tooru Mizushima stands out as an "Iris Zero," lacking this unique power. This rarity makes him a target for bullying, leading him to maintain a quiet and inconspicuous lifestyle. His world turns upside down when Koyuki Sasamori, a popular and outgoing schoolgirl, enters his life. Koyuki possesses an Iris that enables her to identify the ideal person for any task, and she believes Tooru is the perfect match to assist her in selecting the next student council president. Initially reluctant due to his preference for solitude, Tooru is eventually persuaded by Koyuki’s relentless and optimistic approach. As he becomes entangled in various social circles and uses his sharp analytical skills to unravel mysteries, Tooru's once solitary life as an Iris Zero starts to transform.

At twelve years old, Mitsuki Kouyama is diagnosed with a rare form of throat cancer, sarcoma. Faced with the option to remove her vocal cords and potentially cure the disease, she refuses, driven by her dream to become a pop singer and honor a promise made to her childhood sweetheart, Eichi Sakurai, who moved to America. As her condition deteriorates, Mitsuki accepts her grim prognosis. One day, while escaping from her grandmother's house—where music is forbidden—to attend an audition, Mitsuki encounters two shinigami, Takuto Kira and Meroko Yui. Recognizing that she can see them, they inform her that she has only a year left to live. Moved by her circumstances, Takuto offers Mitsuki a way to pursue her dreams by transforming her into a healthy sixteen-year-old. With renewed hope, she successfully joins Seed Records and debuts under the stage name Full Moon, determined to fulfill her musical aspirations before her time runs out. Included one-shot: Volume 2: Full Moon wo Sagashite

Lusty teenager Issei Hyoudou's life takes a sudden turn when a gorgeous girl named Yuuma Amano asks him out. However, her true nature as a fallen angel is revealed when she tries to kill him. His life is saved at the last moment by senior Rias Gremory, who reveals her own secret—that she is a devil. To protect Issei, she turns him into a devil under her command. With this new lease on life, Issei becomes involved in the supernatural world. He joins the school's Occult Research Club, where he meets other devils and learns to navigate a complex existence filled with both devils and fallen angels. In his quest for strength, Issei must discover his true priorities and realize that a devil's path is anything but straightforward.

Takuma was an ordinary gamer, but a twist of fate pulls him into another world—in the body of a demon lord! And nobody is more frightened by this than Takuma himself. He possesses great power, but he's completely out of his depth. So he decides to play the part of the monster he resembles, and accidentally acquires two gorgeous slaves: a curvaceous elf and a cat-eared girl. None of them wished for this situation, but they must learn to work together if they want to survive.

Banaza, an ordinary merchant, is summoned to another world as a hero candidate, with the hope that he can defeat the demon army. When his summoners find he has no special skills, they quickly dismiss him—but something goes wrong, and he cannot return home. Now he must find a way to survive in this new kingdom. Fortunately, Banaza might be far more powerful than anyone—including Banaza himself—ever realized!

In "The Ice Guy and the Cool Girl," Himuro is an office worker belonging to a supernatural race with special abilities. Whenever he focuses intensely, he inadvertently freezes his surroundings. Despite his power to turn things to ice, Himuro is gentle-natured and has a fondness for flowers and cats, though he keeps his distance from them because of his abilities. He develops feelings for Fuyutsuki, a calm coworker who often provides straightforward solutions to his unusual problems. Each time she assists him, emotional turmoil stirs within Himuro, frequently resulting in actual snowfall throughout the office. Due to these recurring snow incidents, everyone except Fuyutsuki is aware of Himuro's affections. Nonetheless, driven by deep devotion and resolve, Himuro is determined to win her heart no matter what.

In "Ran and the Gray World," Ran Uruma, a young aspiring sorceress, grows frustrated while hunting for her treasured pair of shoes. Though still an elementary school student, these shoes transform her into an adult form. While Ran possesses immense magical potential, she has difficulty controlling it. Her brother Jin, a beast sorcerer, keeps the shoes hidden until she finishes her household chores. Ran's mother, Shizuka, ranks among the most powerful sorceresses alive and lives far from home to protect the city. Their father, Zen, leads both their family and the entire sorcerer community, but his duties keep him away often, leaving Jin in charge of the household. Managing Ran's mischief proves difficult, as one person cannot always keep up with her tricks. When left unsupervised, Ran freely experiments with her magic, embarking on many exciting adventures.