I Became a Teacher at Monster High

The Headmaster (Nurarihyon)—the headmaster of Hyakki Academy—is the supreme leader of all youkai, Nurarihyon. He appears as a mysterious man with an elongated head, dressed in a luxurious kimono. By nature, the Headmaster is wise, cunning, and manipulative, enjoying testing Abe's mettle. His hobbies include pipe smoking and silent tea ceremonies. He controls the very essence of elusiveness: he can enter any home undetected. His family is the entire hidden world of monsters, where he is respected unquestioningly.

Mouse-sensei (English Teacher)—This strict teacher is a wererat (Tesso). He appears as a short man with rat-like whiskers and a formal suit. He is pedantic and demanding by nature, and he doesn't tolerate noise in class. His hobbies include reading English classics and cheesemaking. He controls his ability to summon hordes of rodents with an ultrasonic whistle. He lives alone in the faculty dormitory.

Isaburo Ebisu (Teacher's Assistant/Maintainer) is the disguised god of fortune and wealth (Ebisu). He appears as a perpetually smiling middle-aged man wearing a traditional cap. He is incredibly kind and generous, always ready to encourage Abe with financial support or advice. His hobbies include fishing and managing the academy's books. He controls his divine luck by simply attracting sponsors to the school. His family consists of other deities of the Shinto pantheon.

Rintaro Miki (Monster History Teacher) is a powerful fire demon (Shuten-dōji). He has a rugged appearance, a strong build, and hidden demonic horns. He is a good-natured, cheerful person, a drinker, and the life of the party. His hobbies include tasting traditional drinks and organizing school festivals. He controls his colossal flames and power through a battle trance. He has a large family—five younger demon sisters who adore him.

Izuna Hatanaka (Mythology/Spookology Teacher) is a deadly whirlwind weasel (Kamaitachi). He appears as a tall man with sharp features and hidden blades on his hands. Hatanaka is strict and disciplined, often scolding Abe for weakness. His hobbies include weapons training and tending his garden. He has impeccable control over wind and cutting air currents. He is married to an oni named Saki, and they have children who are also learning magic.

Haruaki Abe (MC / Japanese Teacher) is an ordinary man and an incredible coward who became a youkai homeroom teacher. He has neat brown hair, kind eyes, and a habit of wearing a white coat. He is whiny and timid by nature, but he genuinely loves teaching and his students. His hobbies include collecting girls' school uniforms (a strange fetish) and cooking. He possesses no magical powers, but is protected by the sacred bloodline of the great magician Abe no Seimei. He lives with his eccentric parents and successful brother, Amaaki.

Daisy is a foreign monster, a zombie girl who came here as an exchange student. She has pale skin with decorative stitches and brightly colored hairpins. She has a sweet personality, a little inhibited, but very optimistic. Her hobbies include American comics and studying Japanese pop culture. She controls her body, which can fall apart, using a special glue. Her family sends her packages from her homeland.

Marilyn is a spirit of chains or hemp (Asaoke-no-ke). A flamboyant girl with an unusual gothic hairstyle and chain-like accessories. She is a rebel by nature, loves heavy music, and outrageous behavior. Her hobbies include playing the electric guitar and customizing school uniforms. She controls the strong fibers and threads of her body, binding enemies. Her family supports her creative endeavors.

Ko Ogata and Rin Ogata—the twins—are guardian dogs (Komainu), protecting peace. They look identical, but wear their hair on opposite sides. They are inseparable, synchronized, boisterous, and extremely loyal. Their hobbies include active sports and patrolling the school hallways. They control their lion-dog combat form together, strengthening each other. Their family has guarded major yokai temples since time immemorial.

Hime Satsuki is a mermaid princess (Ningyo) who possesses immortality. A beautiful girl with long, flowing hair and an elegant demeanor, Satsuki is haughty and proud, but also quick to appreciate sincere praise. Her hobbies include pearl collecting and visiting spas. She wields water magic, which she controls with graceful hand gestures. Her family is the royal house of an underwater kingdom.

Saguru Ogoso is a mocking spirit (Amanojak) who always speaks the opposite of the truth. He has a sly look and a perpetual smirk. He is mischievous and contradictory in nature, and enjoys confusing teachers. His hobbies include verbal debates and trolling in school chats. He consciously controls his mental ability to distort the meaning of words for fun. His relatives are equally mischievous, which is why there is always shouting at home.

Toya Fuji is a clay doll (Dogu) animated by ancient magic. He has unusual patterns on his skin and stiff hair, as if carved from stone. Fuji is silent, dispassionate, and obedient, resembling a living robot. His hobbies include meditation and studying the ancient history of the Earth. He controls his impenetrable defenses and weight using his inner mental energy. He has no family in the traditional sense; he was created by ancient shamans.

Yuri Renjou is a mythical siren bird with a captivating voice. She has a graceful appearance, vibrant clothing, and hidden wings. She is flirtatious, confident, and ambitious. Her hobbies include karaoke, music, and blogging on social media. Yuri manipulates sound waves and hypnosis through singing, using a special microphone. Her parents are famous pop singers in the monster world.

Akibe is a tiny forest spirit (Koropokkuru) from Ainu mythology. She appears as a petite girl who often hides under large burdock leaves. She is timid and silent, but very observant. Her hobbies include picking berries, mushrooms, and herbariums. She controls her ability to become invisible among plants flawlessly. Her entire family lives in harmony with the northern forests.

Yagoro Ota is a miniature mountain-making giant (Daidarabocchi). He is the tallest and largest student in his class, with a kind face. He is a gentle giant by nature, incredibly friendly and clumsy. His hobbies include gardening, tending the school's flower beds, and clay modeling. Ota struggles to control his enormous physical strength, often accidentally breaking things. His family lives deep in the mountains, where they tend to the natural landscape.

Koizumi—This sweet girl is a monster with an extendable neck (Rokurokubi). In her normal state, she is no different from a human, but she wears scarves. Koizumi is kind, modest, sympathetic, and always ready to listen. Her hobby is knitting long snoods and scarves for herself and her friends. She elongates her neck with a slight effort of will, using it for peeking. Her parents are ordinary working yokai, proud of their anatomy.

Odawara is a living paper lantern (chochin-kozo). He appears as a young man with bright, fiery hair and a round head. He is very optimistic, loud, and fidgety. Odawara loves to take night walks and light the way for his friends. He controls his inner flame depending on his mood—from a spark to a blaze. His family consists of old artisans who create magical artifacts.

Yasutomi Maeda is a waterman, a beautiful merman (merman). He has model-like looks, blue hair, and webbed fingers. He is a terribly narcissistic romantic and a lover of dramatic moments. His hobbies include swimming, facials, and singing. Outside of the water, he controls his body's moisture with special sprays. He comes from an elite water family that sponsors water resorts.

Yamato Tobyo is a snake monster (Uwabami) with the power to hypnotize. He has narrow green eyes, scales on his neck, and a very flexible body. He is cunning and calculating, but loyal to his few friends. Tobyo enjoys collecting rare stones and poisons. He controls his poison and hypnotic gaze through the concentration of his inner energy. He was raised strictly by the snake clan, which demanded great achievements from him.

Yuta Kurahashi is a half-human, half-bull (Kudan) with the ability to predict the future. He has a neat appearance and small horns hidden in his hair. He is gloomy, withdrawn, and quiet due to the burden of his prophecies. Kurohashi enjoys reading ancient books and philosophy. He has difficulty controlling his visions, as they come to him spontaneously in his dreams. His family has lived in seclusion for centuries, avoiding contact with other monsters.

Tamao Akisame is a werecat (Nekomata) with two fluffy tails. He has cat ears, vertical pupils, and very agile movements. He is capricious, proud, and a typical narcissistic "cat" who craves attention. His hobbies include grooming himself and sleeping in warm places. Tamao has excellent control over his cat's agility and can summon blue lights. He has twin brothers (Mario and Maruo) who are in the same class.

Yakumo Mujina is a faceless monster (Nopperapo) with the ability to change appearance. Initially, he has a completely smooth face without eyes or a mouth, but he draws funny faces on it. Mujina is cheerful, artistic, and enjoys playing harmless pranks. His hobbies include drawing, makeup, and acting. He manipulates facial illusions using special paints and the power of his mind. All that is known about his family is that they honor the traditions of faceless spirits.

Yanagida—This young man is a living cotton cloth (Ittan-momen). He has pale skin, white hair, and a very long, thin scarf. Yanagida is melancholic and calm by nature, and likes to go with the flow. His hobbies include flying through the air, racing with the wind, and relaxing in silence. He has complete control over his body, which can stretch and transform into fabric. He has an eccentric older brother who works in the yokai fashion industry.

Natsumi Momoyama is a two-mouthed woman (Futakuchi-onna) with a huge appetite. She is a pretty girl with long hair that conceals a second predatory mouth on the back of her head. She is quiet, polite, and a little shy when it comes to food. Her main hobbies are cooking and constantly devouring sweets. The hair on the back of her head acts as tentacles, controlling her second hungry mouth. Information about her parents is kept secret, but they are also ancient yokai.

Kuniko Utagawa is a giant skeleton (Gashadokuro) with the ability to change size. While normally a sweet girl, she conceals bones beneath her clothes, and her face is hidden behind a mask. She has a romantic and vulnerable personality, often falling in love with handsome men. Her hobbies include reading romance manga and fortune telling. Her ability to separate her bones and become a giant is controlled by the power of her emotions. Little is known about her family, but she considers her class her new support system.

Rensuke Nyudo is a cyclops (Hitotsume-kozo) with a huge eye. He wears a cap that hides his forehead and has a fairly athletic build. He is very rough, hot-tempered, and cocky, a typical school bully. Nyudo enjoys sports and fighting, constantly testing others' limits. He controls his vision and cyclops powers by focusing his gaze on targets. He comes from a wealthy family: a yokai father, a human mother, and several monster maids.

Beniko Zashiki is a house spirit (Zashiki-warashi) who brings good luck to the home. She appears as a little girl with a traditional bob haircut. Zashiki is a classic hikikomori and an avid gamer who hasn't left her room in years. Her hobbies include computer games, anime, and internet surfing. She subconsciously controls her aura of good luck simply by being indoors. She has a unique "family"—three human fathers who once took her in and pampered her.

Mamekichi Maizuka is a tiny raccoon werewolf (Mame-danuki). He looks like a cute little animal, but can transform into a human. He is incredibly friendly, hyperactive, loyal, and thrifty. Maizuka loves cooking and making healing pills for Sano. He controls his illusions and transformations with the magical leaves on his head. He has a large and boisterous tanuki family, including a father and a host of younger siblings.

Koutarou Hijita is a mud monster (Dorotabo) who draws power from the earth. He has the appearance of a stern teenager with dark hair and often gets dirty. Hijita is incredibly lazy, completely lacking motivation for studying and homework. His hobbies include lounging and playing video games. He possesses the ability to manipulate mud intuitively, but is reluctant to use it. He lives with his nagging mother and older sister, who is married to a human.

Mikoto Sano is the god of misfortune (Yakubyogami), bringing misfortune to those around him. He has dyed blond hair and blue eyes, and is very attractive. He is cold-blooded and sarcastic, but genuinely cares for and protects his weak teacher. He controls his dangerous curse abilities with special pills made by his friend Maizuka. He hides his true divine origin from most of his acquaintances. His family is an ancient line of gods, a burden he is trying to escape.