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Tropes that fit them all
- Mask Power: Nearly all magic-users, and a few others besides them, wear masks of some sort. For magic-users, it's a societal norm to wear a mask.
- Mukokuseki: There's a lot of japanese naming, but except for Natsuki, who looks like a stereotypical Asian character, most of them look Caucasian, European, or Latino.
The main protagonist. He's lost his memories and got a Caiman Lizard head. He seeks to regain both his face and memories by hunting down Magic-Users, whom he believes to be responsible for his state. His M.O.? Find em and stick their heads in his mouth, where they meet a strange man later revealed to be the manifestation of Risu's Curse magic who, so far, has said nothing but,"You're not the one." Yes, this man is living inside his mouth. Then he pulls em out, and when they tell him that they are not the one, he kills them. Horribly. Despite that, he's a pretty nice guy to the people who get to know him, and his love for Nikaido is one of his redeeming features. Plus everyone he kills are assholes. In reality, the man (?) we know as Kaiman is a Split Personality of Ai Coleman, a kid who tried to become a magic user but died. Kaiman shares a body with Ai, who has resurrected as Aikawa, and the entity known as Kai. Every time he "dies" his body rotates users, with each one having their own distinct head and attitude.
- Amnesiac Hero
- Anti-Hero: Type III, though he's rather nice with those he considers his friends. It's mostly because he lives in a Crapsack World.
- Anti-Magic: He's immune to Magic, which makes him very dangerous to the Magic-Users, who often are too reliant on their powers. Unfortunately, this only makes him immune from being transformed or affected directly by smoke. Magical items can still hurt him, as seen when he fights En.
- Big Eater: So much so that Nikaido is in debt because he does not pay his tab.
- Bigger on the Inside: If he puts a person's head in his mouth, they sometimes experience the sensation that their entire body is inside an enormous, cavernous version of his mouth. To people outside, though, it just looks like Kaiman's biting the person's face.
- Boisterous Bruiser: Does a miniature dance of joy at being allowed to fight Shin and Noi.
- Disguised in Drag: Becomes Pieman when sneaking into En's manor.
- Heroic Build: The guy looks like he came from the first few sagas of Jojos Bizarre Adventure.
- I Just Want to Be Normal: He hunts down Magic-Users in order to regain a human head and live a life as normal as Hole permits him.
- Jerk with a Heart of Gold: Being rather lazy and sometimes violent aside, he's a pretty nice guy. It helps that he usually targets Magic Users and jerks.
- Notably he subverts the Fantastic Racism present on both human and magic-user sides of the setting- early on he spares a magic user living in Hole because he's both a pleasant guy who hasn't hurt anyone and someone who tries to help the downtrodden people in Hole by telling them their fortunes.
- Knife Nut: His preferred Weapon of Choice. This is foreshadowing to him being a Cross-Eyes member, as each member of the gang is taught how to be a good knife fighter in order to circumvent their own lack of magical potential.
- Lizard Folk: Only the head, though. The rest of him is pretty much human. That's because he originally was.
- Mage Killer: Made this into his profession.
- Put on a Bus: Sort of. He's actually Aikawa — or at least, an alternate personality of him. It's complicated.
- The Bus Came Back: Finally reappears at the end of Chapter 117; the head he lost at the beginning of the manga has been resurrected, along with an entire new body.
- Progressively Prettier: Starts off looking more genuinely unsettlingly reptilian, but Art Evolution has left him downright cute.
- Red Baron: Called the Magician Killer
- Spell My Name with an "S": Rendered "Caiman" by the Viz Media translation.
- Split Personality: He's shown to be Ai/Kai/Aikawa. He also has at least 9 heads, possibly one for each personality.
- Tall, Dark, and Handsome: As his human forms.
- Subverted however, as Devil!Nikaido puts it: "You're average, not handsome, nor ugly".
- Trademark Favorite Food: Nikaido's gyozas.
- Why Did It Have to Be Snakes?: He is afraid of ghosts. But okay with zombies. Apparently zombies are just hungry. Which somehow makes them better.
A mysterious figure tied into the backstory of lots of figures in the story. Aikawa is what Kaiman was before he was caught on Ebisu's smoke. Was Risu's best friend, but things got complicated because of his powers, ending up killing him. Later, Risu comes for revenge
- Anti-Hero: Moreso than Kaiman
- Cool Mask: Has a pretty badass looking gas mask.
- Dark Is Not Evil: Well, he's a cooler guy in that sense, than Kai at least...
- Death Seeker: Implied, and outright confirmed when he was Driven to Suicide, however, he Cannot Self Terminate due his other personalities.
- Go Out with a Smile: Played straight when he asks Fukuyama to turn him into a pie and smiles as it happens...and then subverted when the Cross-Eyes reverse Fukuyama's magic and he's revived.
- Emo Teen
- He's Back
- Jerk with a Heart of Gold: he stole food, was lazy, and wanted to be a magician so he'd be no longer a pariah... too bad he has a lot of hatred inside him, which created Kai, with the help of demonic energy from Hole.
- Literal Split Personality
- Nice Hat: As a teen it was a baseball cap, as an adult it's a more hermetic cap with a gas mask.
- Older Than They Look: He's actually 30 years old.
- Tall, Dark, and Handsome: Except Not, at least, by Nikaido standards
- Teens Are Short: Averted! He's actually quite tall as a teen, which is actually realistic.
Kaiman's friend. She follows him into his quest of regaining his memories and human face. She runs the Hungry Bug restaurant and makes the best gyoza in the city. She's a Magic-User who came to Hole and vowed to never use her Magic again after her misuse of her powers resulted in her Ret-Gonning her adopted sister. She has the ability to manipulate time, and gets hunted down by En because of it.
- Action Girl: Strong enough to fight Noi.
- Dark Action Girl: After En brainwashes her into becoming his servant. She gets better.
- Anti-Hero: Nice gal all around, yet it's wise to avoid getting on her bad side. Or hurting her friends.
- Badass Normal: Survives a few blows from the Devil-trained Noi, which would turn pretty much anyone else into a thick, red paste. Noi is very surprised by this. Subverted early when she is revealed to be a magic user like most of the people she's fighting, especially once she begins her devil training from Asu. See Fights Like a Normal.
- Boobs of Steel: She and Noi do the most physical brawling out of the female cast, and they're also the the biggest-chested.
- Brainwashed: Temporarily pulls a Heel–Face Turn when En hunts her down and forcibly makes her his "partner". However, she can resist the contract (albeit with severe drawbacks) and eventually gets better after En dies.
- Chef of Iron: She makes the best gyozas in Hole (according to Kaiman anyways), and can karate-chop off your head.
- Cute Bruiser
- Dark and Troubled Past: Her life was not that bad, seeing as she had friends and a family of sorts. The dark and troubling part about it is that she erased it with her Time Travel powers.
- Deuteragonist: Kaiman may be the protagonist, but she receives as much focus as he does. This is especially true for the second half of the manga, when Nikaido is learning to control her magic and Kaiman isn't even present for much of it.
- Empty Eyes: Inverted — she's usually drawn without pupils but they are drawn when she is under the influence of devil transformation.
- Expy: She is, without a doubt, Elaine from Genocyber.
- Fights Like a Normal: Initially, and after Kaiman finds out she's a magic user, Nikaido promises to stop using magic. This doesn't last for long, though, as she eventually does learn to use her magic.
- Foil: To Kaiman with regards to their origins. Kaiman was once Ai, a human who wanted nothing more than to become a magic user and live in the magic users' world. Nikaido was a magic user who stopped using magic and moved to the Hole.
- Gender Bender: Transforms into a man to infiltrate En/the Cross-eyes' HQ. When her devil transformation is complete her outer appearance is very masculine (like all devils)
- Genki Girl: When she gets an influx of devil energy she becomes extremely energetic. Subverted when she becomes a complete devil: her "outer self" is smiling behind her mask, her "inner self" has an apathetic expression.
- Hair of Gold, Heart of Gold: Zig Zagged: while there's nobody truly good in the manga, she's one of the most kind and caring persons in the setting. Despite that, she, like most characters in this series, has killed many.
- Little Miss Badass: As a child, she could defeat adults in hand-to-hand combat.
- Ms. Fanservice: Has a lot of pretty skimpy Stripperiffic outfits. Or nothing at all.
- Orgasmically Delicious: The gyozas she made one time when she was in a devil-induced manic state.
- Our Demons Are Different: She's becoming a devil accidentally (unfortunately those parts were skipped by the translators, but it seems to be Asu helping her to control her powers), mainly because unlike most magic-users she's used to not using her powers.
- Perpetual Smiler: When under the influence of devil transformation.
- Perpetual Frowner: When her devil transformation is complete
- Red Eyes, Take Warning: When under the influence of devil transformation.
- Skeletons in the Coat Closet: Skull-shaped knee pads are part of her devil outfit.
- Took a Level in Badass: After training under Kawajiri.
A scientist and Hole resident who studies magic users. He was married to a magic user who later became a Devil.
- Ambiguously Brown
- Fluffy Tamer: Decided a giant, man-eating cockroach would be a handy pet. The two have been inseparable ever since.
- For Science!: Claims to be more interested in research than in saving lives.
- Gone Horribly Right he operated on Ai to see if he could make him able to use magic. A few days later Ai was found dead, except he wasn't... He succeeded. Very well.
- Go-Karting with Bowser: Whenever he interacts with Shin. The two of them are downright friendly and even end up helping each other.
- Happily Married: Sort of. He hadn't seen her for years prior to the story, though they are still very fond of each other.
- Haunted House: Lives in one due to magic users' smoke filling the place.
- Interspecies Romance: With Haru. First it was human/magic user and now it's a human/devil romance.
- Mad Scientist: He has a lab filled with the corpses of magic users and a door that he made out of magic user body parts. He also operated on Shin to help him use magic. For no apparent reason. See For Science! above.
- Oh God What Have I Done?: His operation on Ai was a little too successful.
- Nightmare Fetishist: Mere seconds after stepping into a hallway made out of the heads of dead magic users, he says he hasn't felt so excited in decades.
- Older Than They Look: He's actually in his sixties but looks like a teenager. His explanation is that he was a test subject for a magic user.
- Only Known by His Nickname: His real name is Haze, though it seems only Haru knows this. In addition "Kasukabe" is actually his wife's real name.
- Teens Are Short: Yup.
- Tattooed Crook: it's a wonder he's able to work with those tattoos.
A doctor that works in an hospital in hole which helps those affected by Magic Users.
- Bald of Awesome
- The Eeyore: More or less, but the guy looks like he's either bored or moody most of the time.
- Facial Markings: Resembling a thermometer.
- Smoking Is Cool
A cockroach changed by the residual magic in the Hole to become human-sized. Wears sneakers and proclaims, "Shocking!"
- Big Creepy-Crawlies: A seven-foot-tall roach wearing tennis shoes and who can say "Shocking!"
- Creepy Cockroach: At first, definitely. Once Kasukabe trains him, he becomes much nicer.
- Cyclops: It's not entirely clear whether the upper half of his head is one giant eye or whether it's actually a shiny, black Eyeless Face.
- Extreme Omnivore: Eats baked goods, sentient fungi, and human flesh with equal enthusiasm.
- Friend to Bugs: An ordinary cockroach helps Jonson out of a bind, and the two dance briefly in celebration.
- Logical Weakness: Jonson can't stand bug spray.
- Spell My Name with an "S": Is it Jonson or Johnson?
- Team Pet: Kasukabe has him trained.
A Hole resident who eats at Nikaido's restaurant and plays baseball.
- Facial Markings
- Gray Eyes
- Man in a Kilt: Wears a plaid one over his pants.
- Nice Hat
- Scary Teeth
- Smoking Is Cool
- The Rival: He considers Kaiman to be his rival over gaining Nikaido's love.
- Unknown Rival: Kaiman doesn't have a clue about it.
- 13 Is Unlucky: He was born on January 13th. And he's called.... 13.
Magic-Users' World Residents
Owner of a restaurant in the Magic Users' World.
- Anti-Magic: Limited example. He got so used to Asuka's love-powers he's grown immune to them.
- Badass Beard: He's got a nice, spike-adorned one underneath that grotesque mask.
- Benevolent Boss: Probably the nicest as far as magic user bosses go. Best exemplified during a flashback that reveals how he took a young Kirion, then a runaway child slave, in his own care. He's been nothing but good to her despite her human background.
- Chef of Iron
- Expressive Mask: It's basically his face, just "furrier".
- Heroic Build: Only done in more of a traditional Japanese way. Which means...
- Stout Strength: ...yep.
- Jerk with a Heart of Gold: He can be a greedy old bastard when he wants to be, but that's only 'cause he's got a business to run. Backstory shows him to be a kindhearted soul who's perfectly willing to shelter a runaway human slave from other (far less benevolent) magic users. Just ask Kirion. He also admits that he's never resorted to abusing humans with his magic, something he shares with Fukuyama and Asuka (though in the latter's case, it's not so benevolent).
- More Teeth than the Osmond Family: He's got a mouth like a piranha.
- Spiky Hair
Worker at Tanba's Meatbags.
- Bishōnen: He's actually pretty good looking.
- Nice Guy: Easily the nicest among Tanba's group, and just like the other two magic users, he never once looked down on humans nor thought of abusing his powers on them.
- Screw The Money We Have To Get Outta Here: He wanted to get the hell out and escape as every other magic user when Kai appeared. Tanba wanted to make money off the refugees.
- What Kind of Lame Power Is Heart, Anyway?: He can create... pies.
- Heart Is an Awesome Power ...which, crazily enough, ended up saving his ass against Kai.
Other worker at Tanba's Meatbags. A quiet Badass Normal who helps prepare the food and wears a bear suit.
- Anti-Magic: She's unaffected by Aikawa/Kai's paralyzing "force field" and the debilitating rain. That's because it's confirmed in chapter 138 that she's a full-blooded human.
- Meganekko: Wore glasses since childhood, in fact. Way before magic users swooped in and sold her and her friends to slavery.
- Samus Is a Girl: For the most part, Kirion wears an odd-looking costume (Fat Suit and all) which conceals her entire appearance. And then she removes it...
- The Voiceless: Communicates entirely through gestures and facial expressions, that is until...
- Suddenly Voiced: ...she, overcome with emotion upon finding out that her co-workers aren't the same kind of bullying magic users that ruined her life, speaks for the very first time.
Ex-worker at Tanba's Meatbags turned rival. Her magic charms men, making them fall in love with the food and her.
- Bat Out of Hell: Her mask is a whole skinned bat.
- Brainwashed: Via Love Potion. Her powers allow her to summon a demon that can influence men.
- Cheaters Never Prosper: And if En finds out he was enchanted he's gonna kill her...
- Eerie Pale-Skinned Brunette
- Even Evil Has Standards: In the end... she makes amends with Tanba and the others.
- Manipulative Bitch
- My God, What Have I Done?: She later regrets everything she did to Tanba, according to Word of God.
- A Pupil of Mine Until He Turned to Evil: After Tanba found out that she had non-consensual sex with him while charmed a lot of times, he was visiblly shaken, but was still kind enough to refrain from killing her due to her talent. This backfired.
- Right for the Wrong Reasons: Like Tanba and Fukuyama, she too had never practiced her magic on humans... but only because she's not into having human men as brainwashed admirers.
- You Dirty Rat!: Her clothes are decorated with dead rats.
A group of magic users that run their world. En's Family behave like The Mafia, fighting rival crime organisations while trying to keep the peace. Despite the fact that they're rather ruthless, they;re pretty nice to each other.
Tropes applying to all
- The Syndicate: Have a more mafia/Yakuza feel than the Cross-Eyes and control much of the magic-using world.
A Magic User and gang leader of a sort. His "Family" engages in various enterprises, obviously quite successful as he lives in what amounts to a small town. He has great influence in the Magic Users' world and has connections to Devils. If the origin story in his movie is to be believed, his magic was strong enough as a child to turn both of his parents into mushrooms. Afterwards, he was abducted by weak Magic Users who held him prisoner and sold his smoke on the black market. Eventually, he was discarded and ended up in hell, where he apparently impressed the Devils enough to escape. He returned to the place where he had been imprisoned and freed the others, starting his "Family." Somewhere along the line he sent his men to fight the Cross-Eyes, and many of them died. After that, En decided that his destiny was to take down the boss of the Cross-Eyes.
- A Father to His Men: His most redeeming feature. Overlaps with Benevolent Boss.
- Anti-Villain (Type I): Orders to kill his enemies around the town and threatens to turn his subordinates in mushrooms if they double-cross him. In the other hand, he does care for his subordinates and despises injustice despite the whole Yakuza-like behavior.
- Asskicking Equals Authority: He's not in charge of much of the magic-using world for nothing.
- Badass Beard: has a nice goatee. You can't really see it, as most of the time he has his mask on to protect others from his potentially dangerous smoke.
- Badass in a Nice Suit: He's always dressed like a Mafia don.
- Badass Long Coat: It's shown that he keeps a sweet pimp coat in the Bonus chapters. Made of fur, no less!
- Benevolent Boss: He's quite nice to his subordinates. Overlaps with A Father to His Men.
- Breath Weapon: Like his cousin Noi, he prefers exuding smoke with his mouth instead of through his fingertips.
- Bunny-Ears Lawyer: Has an obsession with mushrooms: it's the only thing he eats and he's filled his mansion with the stuff. Doesn't change the fact that he's the strongest magic-user in the series.
- Curb-Stomp Battle: Delivers one to Kaiman. He, in turn, later gets a fatal one from Kai.
- Cut Lex Luthor a Check: Runs a number of mushroom-related franchises alongside his more shady dealings.
- Evil Redhead: More or less Evil (he's a mafia don, after all) but you can't deny that he's a redhead.
- Heart Is an Awesome Power: He manages to kick some pretty serious ass despite the fact that all he can do is turn things into mushrooms. Part of this is that he's a Genius Bruiser like most magic users, and is used to using his magic in creative and devastating ways. For example, he delivers a brutal Curb-Stomp Battle to Kaiman, getting around the latters Anti-Magic capabilities by mushroomizing the air particles his opponent has inhaled, tearing up Kaiman from the inside out.
- He's Back: After dying halfway through the manga, he's finally resurrected near the end and kicks Shin's zombified ass.
- Humiliation Conga: As if his gruesome death at Kai's hands wasn't bad enough, En spends his first day in Hell running into, and getting beaten up, by some of the many, many enemies he's made in life. Then he's forced into a "group tour" with Natsuki, Saji, Ushishimada and Ton who, immediately after recognising his face, proceed to beat him up some more.
- I'm a Humanitarian: Serves the mushrooms he makes out of people in his restaurant, much to Shin and Noi's disgust.
- I Ate WHAT?!: His guests often have this reaction.
- Incompatible Orientation: Chota has it bad for En, but En has shown no interest in men.
- Jerk with a Heart of Gold: He has a short temper and is pretty selfish (aside from the other terrible things he does) but deeply cares for his friends and family. Part of the reason why he goes up against Kaiman is because the latter murdered one of his subordinates in his quest to discover his original identity.
- Killed Off for Real: Subverted. After Kai carves him to pieces, he's later seen in Hell in a bonus chapter. And once his family manages to retrieve his devil-tumor and get Kikurage to his reconstituted body, he promptly wakes up inside the morgue at Hole's hospital, naked and cold, but good as new.
- Large Ham: He makes a movie about himself, with an overly dramatic origin story and description of the Cross-Eyes' boss as his fated enemy. And in a visual example, his estate has statues of himself everywhere.
- Man of Wealth and Taste
- Mask Power
- No Brows
- Person of Mass Destruction: Well, technically, he doesn't destroy things so much as turn them into mushrooms. Entire towns, if you push him too far.
- Plant Person: The fungi variant. His smoke grows mushrooms of various sizes and can transform basically anything into said fungus. Even better, he can then use these mushrooms to fight, with devastating results.
- Refuge in Audacity: En hid his secret room behind a statue of Chidaruma because no one would dare touch a statue of a devil. This is because said devil is known for being a huge jerk.
- Renaissance Man: He's an actor, singer and successful business man, also, he's a fan of fine art.
- Spiky Hair: Believe it or not, he appeared a couple of times with his hair down, either in the barber, or just while sleeping. He looks pretty good.
- Villainous Widow's Peak: He could give Vegeta a run for his money.
A Magic-User who works for En as a "Cleaner." He wears a heart-shaped mask. Underneath, he has an ordinary appearance. He likes to eat and often engages in casual conversation with Noi, his partner. On the job, he becomes bloodthirsty and ruthless, ripping apart anyone in his way. His magic involves vivisecting people, who remain alive no matter how much he tears them up. He comes from the Hole, where, due to being half-Magic User, he was attacked by the militia from the Hole. After cutting off his arms in an effort to use magic, he gets Dr. Kasukabe to help him. He uses his newfound power to massacre the militia and heads to the Magic Users' world. There he meets and fights Noi, and gets a job working for En.
- And Then John Was a Zombie: Gets zombified by Kai, or whatever Kai has become, and then mushroomed to death by En...
- Back from the Dead: ...who immediately proceeds to resurrect him the following chapter, fully cured of his zombification/mushroomification.
- Ax-Crazy: Only when he fights. he's otherwise a rather reasonable person.
- Anti-Villain: Mostly Type IV.
- Badass in a Nice Suit: he's most of the time dressed with his black suit.
- Barbarian Long Hair: Even if he was a Bishōnen as a teenager, and had his hair tied, he was still a force to reckon with.
- Bash Brothers: With Noi.
- The Berserker: Without a doubt. The guy is a maniac.
- Best Served Cold: The motto of his biological family.
- Blood Knight: Gets an expression of crazed excitement when En tells him that Kaiman will try and kill him.
- Body Horror: His victims, who usually end up as a head and a few assorted organs while still alive.
- Somewhat fittingly, he had to do this to himself in order to get his powers in the first place, by cutting his arms open.
- Brought Down to Badass: Stopped Shin from using his smoke? Well, don't worry, he'll just murder you the old-fashioned way.
- Covered in Scars: His hands and arms are covered in horizontal scars. This is due to him cutting his arms open as a child to find the veins that produce black smoke.
- Determinator: If he's angry enough, nothing will stop him.
- Drop the Hammer: He favors fighting with a hammer rather than magic.
- Fights Like a Normal: Rarely uses his magic during combat.
- Forehead of Doom: Which each passing chapter his forehead became bigger. He's not going to be bald anytime soon, but it's noticeable.
- Freudian Excuse: He was hunted down by the Hole militia for being a half-magic user.
- Half-Human Hybrid: Half-human, half-magic user.
- Hybrid Power: He's immune to the black rain.
- Hard Head: His head is very hard, evidently when he's stabbed in Volume 8.
- Heroic Build: YES
- Hunk as an adult.
- Killed Off for Real: so far...
- Let's Get Dangerous!: When he puts his mask forwards (he normally wears it backwards), start to pray. Better yet, don't.
- Limited Wardrobe: In the present day, he only wears black suits. Lampshaded within canon: when asked what kind of outfit he wants for Blue Night, his only criterion is that it be black, and he receives a suit that just looks like the one he always wears. Everyone else has an entirely different outfit than usual for the event.
- Liquid Courage: At En's costume ball, he says he can't do the...unusual dances unless he's drunk.
- Long-Haired Pretty Boy: When he was a teenager.
- Mask Power: Has the shape of a heart. Though for some reason, he tends to wear it backwards.
- Megane: He's able to see without using them too
- Older Than They Look: can you believe he's 28?
- Punch-Clock Villain: It's just his job to 'clean' some people.
- Roaring Rampage of Revenge: Wiping out the militia as a teenager.
- Secret Identity: Not him but his dog, who is actually a devil.
- Sempai/Kohai: He's Noi's Sempai, though she has been with En longer. Probably because he's been En's cleaner longer than Noi.
- Ship Tease: Not so much on Shin's side, but he's incredibly modest about Noi, becoming embarrassed whenever he sees her under-dressed, and usually responding with a red face when she does her own side of the Ship Tease. Almost done when he implants the charms that could bring someone back from fatal wounds, but he pulls back the last minute.
- Start of Darkness: When he was a teenager, his parents were murdered in different ocasions, due racism against magic users and those with ties with them.
- Sympathetic Murderer
- Those Two Bad Guys: Him and Noi, as much as you can call them "bad".
- Tsundere: Definitely. He's shown blushing with Noi (and becomes incredibly flustered by a nude clone of her), but it's pretty obvious he loves her, also he doesn't like to being told nice things.
- Used to Be a Sweet Child: Really, a normal teenager.
- Wide Eyes and Shrunken Irises: When surprised and wearing his mask.
- You Killed My Father: The Anti Magicians Millitia killed both of his parents.
En's cousin and Cleaner, Noi works alongside her partner Shin, wearing a sort of wrestler's mask. Shown to be albino in colored pictures, Noi is almost always friendly and laughing. However, she can't take people being stronger than her, and she worries a lot about her partner. Her magic is a Healing Factor, allowing her to rebuild anyone from almost anything unless they're dead. When she was younger, she was trying to become a devil, and had gone with Shin to face an incredibly tough opponent three days before the Blue Night came. The final phrase of becoming a devil involves not using your magic until the Blue Night; unfortunately, moments before the hit had ended, Shin was fatally wounded, having jumped in to save Noi from a killing blow. Noi ruined her contract to heal Shin, but she never held a grudge against it - when that Blue Night came, they signed a contract to become partners and have been that way ever since.
- Action Girl
- Amazonian Beauty: Most people thought she was a guy thanks to her usual outfit of choice: a loose-fitting jumpsuit + gruesome mask which conceals her entire features. Later on, her gender is revealed and some characters are surprised to find out that she's actually quite busty, not to mention has a very feminine face despite her bulk. Even later she starts wearing more flattering clothes and there's even a couple of panels where she's completely topless.
- Anti-Villain: Type IV, even moreso than Shin.
- Barbarian Long Hair: A rare female example.
- Bash Brothers: With Shin.
- Blood Knight: The official guidebook places her priorities in a "mental pie chart." "I want to fight strong people!" takes up over three-fourths of it.
- Boisterous Bruiser
- Boobs of Steel: As far as raw physical strength goes, she's stronger than Nikaido
- Combat Medic
- Combat Stilettos: Averted, she always wears sensible tennis shoes and the one time she wore heels she could barely walk.
- Compressed Hair: When she wears her hair in her mask.
- Evil Albino: Played with, if she wasn't En's hitman, she's a pretty nice person.
- Friendly Enemy: When she meets Nikaido, she is pretty impressed by Nikaido's strength, and declares that the two of them should be friends. Later, when Kasukabe, Shin's close friend, starts to stay with them with several other Hole residents, Noi gets along with them just as well as Shin does.
- Genki Girl: Borders on being really creepy because she stays this way while killing people.
- Healing Factor / The Medic: Cut up? Rotting? Have large chunks of flesh missing? Zombified? She can help. Getting up after a fatal headshot is a matter of seconds for her.
- Hidden Buxom: in her work clothes.
- Huge Schoolgirl: Back in the day.
- Mask Power
- Ms. Fanservice: Gets her share of nudity and sexy outfits.
- One Head Taller: With Shin... she's the tall one.
- Our Demons Are Different: Almost became a devil but used her powers to save Shin practically in the last minute of her magic power abstinence. She absolutely does not regret it.
- Punch-Clock Villain: Though, unlike Shin, her personality doesn't change to go with.
- Punny Name: Noi = No.1
- Put the "Laughter" in "Slaughter": Really enjoys a good fight.
- Samus Is a Girl: It's usually assumed Noi is male, since most people only see her in her work clothes.
- Sempai/Kohai: Kohai to Shin.
- Ship Tease: With Shin, to an unbelievable amount. On at least two occasions, Noi has kissed Shin to fully heal him even though just hovering over his open mouth would've work just as well, she's teased him onscreen once by sleeping on his bed (which lead to a regular member thinking he was interrupting something, and from how Noi worries about Shin, even in an omake becoming worried that he wanted to return to the Hole, it would feel like they're in a relationship or already married. Not helped by them sharing an apartment (though not rooms), and even Shin returning some feelings too.
- She Cleans Up Nicely: In her introductory scenes, when the readers (and some characters) aren't expecting the 6'10" boisterous mass of muscle they've just met to be a beautiful woman. After that, though, it's pretty clear that she's always been beautiful without her mask.
- Statuesque Stunner: She's 6'10" and one of the tallest women in the manga.
- Those Two Bad Guys: With Shin. Those Two Punch Clock Sympathetic Anti Bad Guys, to be precise. Think Vincent & Jules, with magic and Unresolved Sexual Tension.
- Unskilled, but Strong: Shin criticizes her for relying too much on her healing magic. He notes that she doesn't even try dodging attacks anymore, which comes back to bite her in the ass when going up against the Cross-Eyes for the first time.
- Wide Eyes and Shrunken Irises: In her mask, especially when surprised.
A weak Magic User who works for En. Despite being something of an errand boy, he ends up getting involved fairly regularly with the higher up members of the family, most likely because of his connection to Kaiman. Who, incidentally, killed his partner Matsumura.
- Avenging the Villain: Wants revenge for Matsumura's death.
- Butt-Monkey: Nothing ever seems to go right for this poor sap...
- This even goes for the clone that Turkey makes of him. It's made with substandard ingredients, gets burned so its ass sticks to the bottom of the cauldron, and finally falls off of a roof and is destroyed.
- The Chew Toy: This verges on being downright sadistic, like when he ends up playing baseball against a zombified, disfigured Matsumura.
- Fear Is the Appropriate Response: Compared to the others of En's Family, Fujita shows what most of us would usually do in the situation. It's exactly why he's picked to go undercover and invisible to find out information about the Cross-Eyes and their boss; everyone else, especially the best fighters Shin and Noi, would use the opportunity to attack and would likely die.
- Finger Gun: He uses it very rarely, but this is his power.
- Gag Nose: His mask's defining quality.
- Heroic B.S.O.D.: Spends two days in bed unable to wake up after the shock of En's death.
- Huge Guy, Tiny Girl: With Ebisu. He's taller than Nikaido, who's pretty tall for a woman.
- I Just Want to Be Badass: Having very weak magic and being bullied because of it, Fujita asks Shin and Noi to teach him to be stronger, which they turned him down immediately.
- Invisibility: Shou makes him invisible for a mission to retrieve En's devil-shaped tumor.
- Visible Invisibility: Zigzagged. For a while, the scenes played out with Fujita remaining completely unseen to both the characters and audience. However, in Fujita's own flashbacks and in scenes from his perspective, he's drawn as lines but not shaded.
- Multicolored Hair: Blond and black.
- Muscle Angst: Or angst about his lack of muscle, as demonstrated when the first thing he does when under the influence of En's lucid dream-inducing mushrooms is imagine himself enormous and muscular.
- Nice Hat
- Oh, Crap!: When he's forced to work with one of the Cross-eyes to escape the wrecked shopping center and the Cross-Eye realizes Fujita's hiding something — the tiny devil-shaped tumor that can help resurrect En.
- Ship Tease: With Ebisu, but in a more playful manner.
- Sympathy for the Devil: What he briefly thinks he's having for the Cross-Eyes after following them around while invisible.
- Underestimating Badassery: When the occasion requires it, he'll kick your ass, or at the very least, put up a fight
A young female Magic User who loses her memory and her sanity after getting her face ripped off by Kaiman. She gets "rescued" by Fujita, who wants her for her expertise in reptilian transformations, thinking she might have a connection to whoever cursed Kaiman. Said rescuing results in her coming back from the dead semi-malformed and saddled with mental issues.
- A-Cup Angst: Has plenty of it. She's constantly jealous of Noi and Nikaido's Boobs of Steel.
- Big Fancy House: Her childhood home.
- The Chew Toy: Even more so than Fujita. At times to the point of deconstruction. She gets eaten, disemboweled, zombified and otherwise nearly killed on a regular basis. In her character description she's even listed as "En family comic relief"!
- Children Are Innocent: Some comments she does come across as this, or not realizing what she says hurts.
- Cloud Cuckoo Lander: At first it was because of the psychological trauma of having her face ripped off. Then it was because a hairpin that makes its wearer happy got trapped in her brain.
- Crouching Moron, Hidden Badass: When using black powder. She turns into a large lizard and chomps down on her opponents.
- Exotic Eye Designs: Hers are... kind of several circles, not like an spiral, but like several rings inside one another.
- Hairy Girl: Averted completely! believe it or not, but in Volume 15 she's shown from the front, and we have a clear view of her, ehem, lady bits, and she's completely shaven.
- I Really Do Care:Fujita: Tomorrow he'll be defenseless.Ebisu: You m'ght die in the process.''Fujita: I don't care.Ebisu: I do.Fujita: Ebisu...Ebisu: If you die, how am I gonna come back?Fujita bangs his head against the wall
- Ironic Name: She is named after one of the Seven Lucky Gods, but is anything but lucky.
- Likes Older Men: She's 13 while Fujita is 18.
- Nice Job Breaking It, Hero!: Had Fujita arrived a moment later the whole incident with her face would not have happened (Kaiman would have spat her out to ask what the man inside his throat said to her).
- Plucky Comic Relief: Early on she acts wacky due to her amnesia, but after recovering her memory it's due to Chota's devil hairclip stuck in her brain.
- Purple Eyes: Which shows that she can be deadly when stimulated enough, the thing is, that she's actually pretty weak.
- Replacement Gold Fish: When she ran away from home her parents paid a magic-user to make a clone; unfortunately the clone was very unstable and scared them out of their house.
- Squee!: after seing En naked... from the front.
- Tiny Tyrannical Girl: Towards Fujita, but it's mostly teasing, it's pretty obvious she has a crush on him.
- Token Mini-Moe
- Tom Boy And Girly Girl: Presently a tomboy, in the past she dressed extremely girly.
- Trauma-Induced Amnesia: Until her memories come back as a result of tripping on En's mushrooms of all things.
- You Gotta Have Purple Hair
A Magic User who works for En. Wears a bird mask and can reverse magic. He's really obsessed with his boss.
- Bathtub Scene: As Nikaido.
- The Big Guy: He stands at 198 cm. tall
- Facial Horror: He looks like the Chattererbut he's not proud of it...
- Gender Bender: In universe, Asu transforms him into a perfect copy of Nikaido (completely with reproductive organs, if we're to believe him), so he can trick En for a couple of days. Chota protests at first, but then reconsiders, saying that he'll be able to be near En. And let's say that, there's something wrong with it, but if you pretend it's Nikaido for a couple of chapters... she looks nice. with those clothes
- Hell-Bent for Leather
- Heroic Build
- How the Mighty Have Fallen: After En's death, he's shown to have lost a lot of muscle mass and broke his bones when he fell after escaping. He's getting better, however.
- Man in a Kilt: Briefly wears one over trousers for the Blue Night.
- Queer as Tropes
- Agent Peacock: More like Agent Crow
- Bara Genre: He'd fit perfectly.
- Camp Gay
- Gay Guy Seeks Mafia Leader
- Gym Bunny: Downplayed he's actually quite buff due the fact that he wants to attract, En. Unfortunately for him, En is straight as an arrow.
- Hard Gay: He gives this vibe with his leather pants.... Which have studs
- Manly Gay
- Macho Camp
- Sissy Villain: Although he's not one of the worse villains in the story.
- Ravens and Crows: The motif of his mask.
- Stalker with a Crush: For En. It gets so bad En occasionally has him locked up.
- Spikes of Villainy
- Sugar-and-Ice Personality: He's generally all sparkles and sunshine, but surprisingly cruel when you get on his bad side.
- Torture Technician: H Is job. He gets pretty disgusting.
- Ultimate Job Security: En hates his guts, but his magic is just too useful to pass up.
- He pushes the limits when he tricks En by impersonating Nikaido.
- Unfortunate Name: Chota in Spanish is a vulgar way of saying penis.
- Walking Shirtless Scene
En's beloved pet. Likes to play with Ebisu. Can also revive the dead.
- Accidental Misnaming: Dokuga couldn't remember Kikurage's name and tends to call her by other mushroom names (Kikurage is a type of mushroom).
- Death Is Cheap: Provided you can convince Kikurage to revive the corpse, she will.
- Mix-and-Match Critter: Looks like a mixture of a cat, bunny, goat and devil.
- Team Pet: Of En's family.
Veteran assassin working for the En family. Uses invisibility magic.
- Bandaged Face: Instead of a mask.
- Benevolent Boss: Keeps up the tradition after assuming control of the En family remnants. Very supportive of Fujita in particular.
- Invisibility: Can make himself, others, and objects invisible.
- Killed Off for Real (or as real as it gets without Kikurage present)
- Laser-Guided Amnesia: Capable of causing this.
- Remember the New Guy: Inverted, there's some pictures of him seen hanging in En's mansion before he first shows up, yet when he finally does no-one remembers who he is.
- Shout-Out: To H.G. Wells The Invisible Man.
- Slasher Smile: He's got a sharp set of teeth under those bandages.
Friend of the family. Specialty is clone magic.
A gang which sells black powder, a substance that dramatically increases the amount of smoke a Magic User can produce. They set themselves up as the heroes of the weak Magic Users, who are treated little better than humans.
Tropes applying to all
- Facial Markings
- Gang Bangers: Contrasted with En's family's more mafia/Yakuza feel.
The mysterious boss of the Cross-Eyes. After he met Dokuga and his friends, about to be exiled by some Magic Users to the Hole, he killed the Magic Users, took them along with him through the door into the Magic Users' world, and formed the Cross-Eyes. He was attacked by Risu's Curse power after killing Risu and ended up in the Hole as Kaiman. He is revealed to be a product of Hole, a vengeful conscious entity formed from the bodies of humans killed by Magic Users centuries ago. Hole entered Ai Coleman's body when he jumped into the Lake of Refuse and manifested itself as Kai. He becomes an artificial devil through the absorption of multitudes of devil-shaped tumors and the use of new bodies created for himself. Due to Mega Manning and his own strength, he is an extremely formidable fighter.Also rather insane.
- Allergic to Evil: His presence comes with an unmistakable aura that makes Magic Users experience a similar feeling to the one caused by Hole's rain.
- Asskicking Equals Authority
- Ax-Crazy: And how! He leads a Kill 'em All against Magic Users.
- Bad Boss: Kills Natsuki to get her defensive magic. He also kills Risu for a similar reason.
- Big Eater
- Big Bad: Shaping up to be this ever since his resurrection into a new, independent body from Kaiman/Aikawa. He becomes the former's Enemy Without and proceeds to cause all sorts of mayhem.
- Body Horror: C'mon, he can sprout multiple heads, which just hang there from their own spinal cords. He also puts the devils from the heads of Magic Users into his own head.
- Curb-Stomp Battle: Kills En without much trouble, and turns Shin and Noi in mushrooms while barely doing anything. At least in the latter case, it not really the first time. Except, the Cleaners only managed to get out because En had his showdown with Kai 6 years ago.
- Dark Messiah: He's seen as a savior by non powered humans, and members of his gang. But in reality, he's closer to being The Antichrist.
- Enemy Without: He has always been the physical embodiment of Aikawa/Kaiman's worst traits, but up until recent events they all shared the same body. Then he gets his own, fully separate from the other two personalities, and things quickly go chaotic from there.
- Extra Life: Had nine spare heads, but most of them are gone.
- From Nobody to Nightmare: He starts out as a kid in the Hole who wants to be a Magic User. He ends up (briefly) ruling the Magic Users' world.
- Hell-Bent for Leather: he's always shown wearing his leather pants and black leather hoody
- Humanoid Abomination: He removes his own heads when he switches personalities and his mere presence makes Magic Users see their surroundings distort. Fujita sees the headless/shoulderless person from Kaiman's dreams when Kai is near. This is reinforced with the fact that he's the personification of the magic-user's human victims desire for vengeance.
- Human Sacrifice: What he called the mass of corpses and devil-tumors he brought with him to refuse lake in Hole. Possibly what he's going to use to appeal to the devils to become one himself.
- I Just Want To Be Abnormal: As a human he cannot become a magic-user and and becoming a devil is impossible but he seems be succeeding.
- He ended up accomplish it.
- In the Hood
- Jekyll & Hyde: The Hyde to Kaiman/Aikawa's Jekyll.
- Knight of Cerebus: After his appearance, the whole story becomes Darker and Edgier. He kills En and takes over the Magic Users' World, leading to wholesale slaughter. The Gorn gets taken Up to Eleven.
- Kiss of Death: How he kills Natsuki
- Ludicrous Gibs and it looked painful, poor girl
- Knife Nut
- Large and in Charge: Measuring in at nearly 6'10", he's noticeably taller than most of his subordinates. After he becomes a devil-like being he's four meters tall, making him the biggest of all the Big Bads
- Licking the Blade: Licks...a lot of stuff, actually. This includes his knives.
- Mega Manning: His M.O. It's pretty creepy.
- Pet the Dog: Saving Dokuga and his friends, and giving Ton one of his hamburgers. Though it just makes what he does to Natsuki worse.
A member of the Cross-Eyes who went into hiding after the boss vanished. He is extremely skilled in hand to hand combat and can kill Magic Users with ease. Solemn and serious, he is also capable of wreaking havoc when needed. He is devoted to his small group of friends, who, like him, live in poverty to make sure that En does not find them.
- Almighty Janitor: The second-in-command of the Cross-Eyes, an organization that even En takes seriously, and also a termite extractor, bath attendant, and whatever else he can land as a job.
- Anime Hair: Although, done in a realistic way.
- Badass Normal
- Cold-Blooded Torture: Gets chopped up by Shin and nearly eaten by Chota's "diet bug".
- Exotic Eye Designs / Animal Eyes: Has pupil-less irises that look like crystals or insect eyes.
- A Father to His Men: Dresses up like a woman and sneaks into a party of Magic Users and kills them all in order to get high quality healing smoke for his friends.
- He also tries to save Natsuki from Kai.
- Disguised in Drag: See above.
- Identity Amnesia: After crashing into Hole's Central Department Store he apparently thinks he's Ebisu's butler. Ebisu's certain this will wear off if he sees En's corpse (which he's carrying).
- Knife Nut
- Macabre Moth Motif: Played with, while he has moth eyes, and wears a moth mask, he's no less evil than everyone else in the series.
- Meaningful Name: Dokuga (毒蛾) means "poison moth".
- My Master, Right or Wrong: Wants desperately to believe that the Boss cares about his subordinates, but is the only one who knows of the Boss's true treatment of the Cross-Eyes. He knows that Kai murdered Risu because he was charged with hiding Risu's head and knows that the Boss will kill Natsuki for her powers as soon as he finds out about them. He tries to send her on a mission in hopes that she won't encounter the Boss, though tragically, she does.
- Poisonous Person: His saliva is toxic. Which is why he eats, bathes and brushes his teeth separately from his comrades. Of course, if he wants to poison the punch at a party...
- Played for Laughs when he uses this to exterminate termites in order to earn some money.
- The Stoic: He actually can't laugh, or he'll end up killing his friends.
A former member of the Cross-Eyes, who is searching for his killer. He is the man in Kaiman's mouth, having cursed him after the Cross-Eyes' Boss (a.k.a. Kaiman's Split Personality) killed him. Shin and Noi find and restore his head, and he eventually gets his normal human body back. He wields Curse magic.
- Cute Little Fangs: His pointy canines are generally drawn a little too small to count as an example of Fangs Are Evil, and they can often be seen when he's confused or smiling happily.
- Dem Bones: How he looks as Curse.
- Death Is Cheap: In the beginning of story, he was already dead, being killed by Kai. He was revived by Kikurage.
- Death Seeker: According to Death, who appears as an extraordinarily beautiful woman, but eerie, he is a person full of hatred, ill will, and seeks to die.
- Et tu, Aikawa?: He's killed by Kai and wants revenge, even after he already killed (technically) Aikawa.
- Extra Eyes: Sprouts an extra pair as Curse–along with an extra pair of ears and hands, along with an extra tongue.
- Gray Eyes: Official Material list his eyes as blue-gray
- Hair-Trigger Temper
- Hellish Pupils
- Hollywood Cyborg: After being revived his head is put into a some sort of Dungeonpunk Powered Armor.
- I Just Want to Be Normal: He just wants to be a Magic User, and goes to a magic academy to try and develop any latent abilities he might have.
- Be Careful What You Wish For: He's able to use the Curse Magic
- Killing Intent: Sensing one triggers his transformation into Curse after Curse re-enters his body.
- Knife Nut
- Multicolored Hair
- Nice Job Breaking It, Hero!: When he crushes Aikawa's head he fulfills his Curse, leaving him powerless. Unfortunately Aikawa was just the host for something worse.
- No Brows
- No Ontological Inertia: Subverted. His Curse power is the only type of magic that remains after the Magic User's death.
- Punny Name: Risu means Squirrel. Fitting considering his behavior. The author even mocks this in one of Nikaido's nightmares.
- Red Eyes, Take Warning: as Curse
- Red Herring: The story leads you to believe early on that he's Kaiman somehow, but it turns out later that this is not the case.
- Roaring Rampage of Revenge: He's prone to this.
- Spikes of Villainy: The spikes in his usual character design don't really indicate villainy but his Super-Powered Evil Side's do.
- Superpowered Evil Side: His Curse ability. Complete with dark smoke, a skeletal head, too many eyes, and a tendency to duplicate your attacks and injure you seriously.
- The Big Guy: He's a hooping 6 ft. 10
- Took a Level in Badass: After transforming into Curse, he is practically invincible with exception to Natsuki's magic.
- Variable-Length Chain: When he's Curse, he uses chains to deliver a world of pain to his enemies.
- Weaksauce Weakness: A Devil's song will weaken or destroy his magic.
A cheerful girl who joined the Cross-Eyes because she saw them as heroes, sticking up for the weak and powerless. However, she is disillusioned with her boss when he attempts to con said weak and powerless. She follows Kaiman, thinking him to be a real Cross-Eye and eventually joins Dokuga's gang. Her magic is defensive, manifesting itself as a large, impenetrable blob around her body.
- Blob Monster: Her magic, sort of. It does leave her impervious to attack.
- Compressed Hair: While she's wearing her hoody it looks like normal Wild Hair; when she shrinks and comes back to her real size, albeit naked, her hair is much longer than expected.
- Eyes Always Shut
- Genki Girl
- Killed Off for Real
- Minion with an F in Evil: Not that she's evil per se.
- Nice Job Breaking It, Hero!: Played for Laughs when, being the kind person she is, she asks the wish-granting Devil to let Dokuga laugh. Cue Dokuga laughing uncontrollably and spraying his poison spit everywhere.
- Rapunzel Hair
- Raven Hair, Ivory Skin
- Sempai/Kohai: Considers Kaiman her sempai.
- Took a Level in Badass: After getting her arm cut off and discovering her magic. She even fights off Risu's Curse power, which Dokuga and the others were unable to do.
- The Ditz: Oh good lord is she ever.
A member of the Cross Eyes. He's mainly seen eating, which explains his girth.
- Big Eater
- Big Fun
- Killed Off for Real: The remaining Cross-Eyes do not take it well. It just ends up with the others (except Tetsujo, who suffers a nervous breakdown) to be killed as well.
- Knife Nut
- Punny Name: His name means Pig.
A member of the Cross Eyes. He's quite pessimistic most of the time, but nevertheless, devoted to his friends.
- Anime Hair
- Badass Beard
- Barbarian Long Hair
- Killed Off for Real
- Older Than They Look: Laments this.
- Real Men Wear Pink: Real men knit!
- Villainous Widow's Peak
Second in command after Dokuga and a very loyal Cross-eye. He's blind from one eye.
- Handicapped Badass: He's blind from his right eye.
- Heroic B.S.O.D.: when the Artificial Devil Kai kills at all other officers, he has an emotional breakdown upon realizing what his real goal was all along, all while shouting at him. He manages to escape with some of his comrades' heads, and the next time we see him, he's crying. Poor Tetsujo.
- Katanas Are Just Better: For a while anyways...
- Losing Your Head
- Ronin: has the appearance of one.
- Rugged Scar: Over his blind eye.
- Undying Loyalty: To all the Cross-Eyes, but particulary to Dokuga. No matter what happens, he'll always support him, even risking his life to ensure Dokuga is safe. In fact, the official guidebook reveals he thinks a lot about the organization, and worries about Dokuga a lot.
A bald, bearded man with great strength.
A Devil who knows Nikaido and helps her out on several occasions. A former Magic User named Kawajiri.
- Balloon Belly: Wakes up with one after eating gyoza that Nikaido made while under the influence of her devil transformation.
- Big Brother Mentor: To Nikaido.
- Body Horror: He gets butchered (as in gets his horn cut off and then has his skin and several inches of flesh taken away to be sold) and turned back into a Magic User. A bloody, nearly dead Magic User.
- Childhood Friend: Nikaido's. Though, since she changed the past with her magic, he doesn't know it.
- Creepy Cool Crosses: After the above body-horror he has a chunk of flesh missing near the base of his spine in the shape of an upside-down cross.
- Exactly What It Says on the Tin - When Asu serves Nikaido devil-meat it looks a lot like his former head.
- Eye Scream: When he tries to use his clairvoyance to find a way out of Hole Central Department Store after it's been taken over by demon-Kai/Aikawa "something bad" gets in his eyes, blocking his powers and blinding him.
- Facial Markings
- Panda-ing to the Audience: His facial tattoo is this basically.
- Fantastic Racism: Used humorously with him and Thirteen.
- Jerk with a Heart of Gold: A sidestory revealed that he both worked at a devil orphanage and drove people to death for his own amusement.
- Lawful Evil: When he was a demon, he was not a bad guy, but had a soft spot for Nikaido.
- Long-Haired Pretty Boy: His hair is styled spiky and weird, but he actually has soft features.
- Older Than They Look: He's actually 32 years old.
- Pimped-Out Dress: Not terribly obvious, but after being turned back into a magic-user he finds he can only wear fine clothes.
- Supreme Chef: He's one for the devils.
- Telepathy: Can read minds. Or at least Chota's.
- Teleporters and Transporters: His magic.
- That Man Is Dead: or rather devil when he's back to normal, as a magic-user called Kawajiri.
An apparently high-ranked Devil who knows En. He loves pranks, but will unflinchingly inflict horrible deaths upon people. Poor Asu.
- Big Red Devil: Not so much as red and big, but otherwise fits.
- Bigger Bad: He's the source of a lot of suffering in the story and is the one who sets a lot of things up purely for his own entertainment. While Kai/ Hole is the Big Bad, he only got that way because Chidaruma let him.
- It Amused Me: A bonus story shows him pulling pranks on anyone he can. Said pranks involve scooping up bird poop and throwing it at people and making En's mushrooms rot.
- This is his sole existence in life. Chidaruma seeks for ways to entertain himself, apparently bored with the total omniscience he carries over both hell and the mortal realm.
- Large Ham: Dear Devil, he's so full of himself he knows it and enjoys it.
- The Man Behind the Man: Presumably to Kai.
- Lonely at the Top: His reason for allowing magic users to become devils like him, though he says he still doesn't feel like they're enough company for him.
- Magnificent Bastard
- The Omniscient: Knows pretty much everything going on around him, and if he doesn't do anything about it, it's because he'd rather not interfere with fate.
- Physical God: Having created magic users, the other devils, and being in charge of hell, he's to be the closest thing in the Dorohedoro universe to a higher power.
- The Prankster
- Rich Idiot with No Day Job: Why he has time to scoop up bird crap in the first place is a mystery.
- Satan: Or at least, the equivalent in this world.
Kasukabe's wife. A former magic user, she fulfilled her dream of becoming a devil sometime before the start of the story.
- Action Girl: Don't piss her off.
- Amicably Estranged: Despite not having seen in each other in 25 years, Haru and Kasukabe are still friendly and have feelings for each other.
- Bare Your Midriff: In her magic user form.
- Berserk Button: People who hurt Haze.
- Drama Queen: From bursting into song just to complain about blood on walls, to trying to instigate drama by urging Noi to be jealous when Shin talks to another girl, to killing another devil for giving her album a bad review, Haru lives for drama.
- Dreadful Musician: Likes to sing. However, because she's a devil, humans and magic users find her singing to be horrendous, while devils love it.
- Loud of War: When her singing is used to get rid of Curse. Also a quirk of being a devil.
- Ephebophile: Averted. Haru is a bit peeved that her husband is now physically 16 years old.
- Horned Humanoid: An antler variation.
- Interspecies Romance: Loves Kasukabe even though he's just a weak, puny human.
- Older Than They Look: Her magic user form still looks like a thirty-something, which makes sense because that's the age when she became a devil.
- Only Known by Her Nickname: Her real name is Kasukabe, but everyone calls her "Haru".
- Skin Walker: She can act in her human body for limited amounts of time, and seems to actually wear her devil body.
- Ugly Guy, Hot Wife: Not that Haze is a bad looking guy, but, good lord, she's gorgeous.
A devil with a dog's face. Became Shin's pet dog on a whim.
- Big, Friendly Dog
- It Amused Me: Why he became Shin's dog. Also amusing: taking advantage of Shin's kindness by sitting on his head.
- Secret Identity
- They Have the Scent!: Used by Noi to find Shin
Not a devil but something more powerful, he/it sells "a certain kind of meat" butchered devil at his shop.
- Absurdly Sharp Blade - His knives are the only thing that can harm devils.
- Eldritch Abomination: Even to devils.
- Feathered Fiend - Is bird-like, with knives at the end of his "wings".
- Knife Nut
A living being in the shape of a small, floating house that the devils use during the Blue Night. It's currently diving down the refuse pit to meet Ai/kawa/Kai.
- Bigger on the Inside
- Cool House / Boring, but Practical: It's rather normal-looking on the inside but can easily accommodate a dozen devils.
- Living House
- Sapient House: Possibly.
HoleA devil born from the Lake of Refuse in the middle of Hole. It's a conglomeration of several different magic user victims that have morphed into one being, and its only goal is the eradication of all Magic Users as revenge for the suffering of normal humans living in Hole. It is the true antagonist of the story, and for a while used Aikawa's body as a host, birthing the "Kai" persona.
- Affectionate Nickname: Chidaruma calls him "Hole-kun", probably to differentiate between the being and the location it's named after.
- Abstract Apotheosis: Inverted: while Hole represents the desire for vengeance, it is unable to act on its own for much of the story. It has to possess Aikawa until it forms a body.
- Acrofatic: More in the chubby side, but still is a devil and can lay waste to enemies.
- Apocalypse: Causes one for magic users, creating rain that slowly kills them in their world.
- Big Bad: Every character in the story ends up against him in one way or another, with the only one not fighting him being Chidaruma- and even then, Chidaruma isn't an ally so much as he's a True Neutral to the whole situation.
- Cloud Cuckoolander: He is entirely motivated by his hate of magic users, and as such the only thing he says is how much he hates them. He starts running out of insults very quickly and ends up resorting to "Magic users are uncool." There is also the fact that he begins singing about how much he hates magic users while Nikaido is trying to beat the hell out of him.
- Dynamic Entrance: At one point he chases enemies via breaking wall after wall with his head, flying horizontally.
- Eldritch Abomination: While other Devils are this as well, Hole really stands out from the rest as it was born from a literal Rivers of Blood made from the corpses of magically-tortured humans, and desires nothing less than the total eradication of the Magic User Witch Species. It also doesn't talk, unlike most devils who are fairly chatty.
- Evil Is Petty: As explained in his song, he says he hates magic users for all sort of petty things. However the fact that he was born from the horrifying atrocities magic users committed upon humans makes his evil way more understandable.
- Hammer Space: His pockets, in which he stores all sorts of things.
- Improbable Weapon User: Fights with a giant knife and fork, which he uses to chomp down magic users.
- Mook Maker: Is able to create devil-like creatures that help him fight.
- Nightmare Face: Under that hood there is a terrifying ogre-like grin, at least.
- Psychopathic Manchild: The entity might be older than anything in the series apart from Chidaruma, but Hole was only recently born, and tends to act like a spiteful child.
- Situational Power: Most of his abilities are pretty much engineered to assure him victory if he fights magic users.
- Walking Spoiler: It is the one entity in the story that cannot be named without spoiling a huge reveal about the world of the story, and its existence is tied to several story events like Kaiman's backstory and the origin of "rain" in Hole.