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Meisuke Nueno ([[EveryoneCallsHimBarkeep known as "Nube" by everyone who knows him]]) was always able to see spirits as a child, thanks to his PsychicPowers; this made him a [[MagneticMedium constant target]] for all kinds of nasty creatures. Not to mention, his mentor and mother figure Minako-sensei perished because of this...

Fortunately, Nube is able to deal with these spirits by way of his magical left hand; unfortunately, this results in him attracting even more supernatural events to center on him... and to his workplace, which happens to be an elementary school. Luckily for him, his students are often more than happy to give him a hand when resolving his cases.

Hell Teacher Nūbē (地獄先生ぬ〜べ〜 Jigoku Sensei Nūbē?) is a horror-comedy manga created by the collaborative efforts of writer Shō Makura (真倉翔?) and artist Takeshi Okano in Shueisha's manga anthology book ''Weekly Shōnen Jump''. The series ran for 276 chapters (not including the two pilot chapters where Nūbē was known as Nubo (ぬ〜ぼ〜 Nūbō)) from Issue 38, 1993 through Issue 24, 1999. A 49-episode anime series based on the manga was created by Toei Animation, and aired from 19961997 on TV Asahi. The anime resulted in three movies and three OVA episodes. A spinoff story for Izuna Hazuki the itako-girl, ''Izuna the Spiritual Medium'' (霊媒師いずな), has been running in Oh, Super Jump since July 2007.

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This series provides examples of:
* AccidentalPervert: And [[MisBlamed nobody ever hears Nube's side of the story]], either.
* AnAesop: The vast majority of events involving Nube's kids results in them learning a valuable moral.
* AnIcePerson: Yukime, naturally (as well as her "sister.") But not only can she create ice, hail, and snow in any amount she needs, she's actually ''made'' of it, and warm climates can make her drip or melt... starting with her face and chest. She just surrounds herself with a snowman until she has cooled down again.
* ArtificialHuman: Twice, by the protagonists. Three times if you count the Visible Human anatomy doll that came to life.
* ArtisticAge: And [[GagBoobs Miki]] is supposed to be a ''fifth''-grader?
* ArtShift: Contrast the clean and cute character designs with the nightmarish, gruesome monsters or the [[HighPressureBlood fountains of gore]] and [[LudicrousGibs guts]] caused by (or trailing from) the latter. Expect more than one evisceration.
* AttackOfThe50FootWhatever: The {{Orochi}}, for starters. Also, Miki somehow got in the good graces of a very literal GentleGiant who could rearrange the entire geography of Doumori by pushing buildings and mountains to her liking.
* AttentionDeficitOohShiny: Baki's attention span is like that of a hamster hopped up on speed and sugar and [[{{Metaphorgotten}} let loose in a toy store full of balloons and videogames and fireworks and shiny]] ooh what's that can I play?
* BadassTeacher: Nube, of course, but Ritsuko has her moments. Tamamo eventually ends up in that direction, too.
* BalloonBelly
* BeautifulAllAlong: The child of a Monkey God is a CasanovaWannabe {{Gonk}} that disgusts all the girls (even the one that looks like a {{Gonk}} herself) until he reaches maturity, becoming an [[{{Bishonen}} impossibly beautiful and gallant boy]] that goes away and leaves said girls cursing their luck. It was actually ''even funnier'' because he ''thought'' his [[{{Bishonen}} true form]] would scare females away...
* BelligerentSexualTension: [[JerkWithAHeartOfGold Hiroshi]] and [[{{Tsundere}} Kyoko]], definitely. Also see RescueRomance above.
* BigBrotherInstinct: Katsuya is ''very'' protective of his little sister Manami. Bakki would rather fight alongside Nube rather than risk hurting his sister Minki's feelings. And Minki herself ''wants'' Nube to act like this towards her, because, as far as she's concerned, the oni hand makes him just like Bakki --problem is, she's so unbelievably powerful that she has to intimidate thugs into "intimidating" her to force Nube to help her, and he never buys it.
* BigOlEyebrows: Nube. Lampshaded in the first OP where he gets a close up to his face and is shown wriggling them.
* {{Bishonen}}: Tamamo gets away with lots of things that Nube is beaten up for because of this trope
* BodyHorror: In ''droves'', most likely caused by DemonicPossession. Nube's own Oni Hand counts as a major example.
* BrotherSisterTeam: Bakki and Minki are a semi-villainous example.
* ButtMonkey: Male {{Meganekko}} Akira Yamaguchi starts as one, never able to get what he wants. [[spoiler: Actually, it's because of a youkai haunting him ever since he narrowly avoided being drowned in the sea. Nube has to fight the youkai to free Akira from the curse]]
* [[spoiler: BittersweetEnding: Minako-sensei's soul is finally released and Nube [[TearJerker sends her to Heaven]]; Nube and Yukime finally get married after several hardships, but then they leave Doumori to live in another city despite pleas from his students]].
* CatchPhrase: Nube's "LEAVE [NAME] ALONE!" that cues the unleashing of his Oni hand and a can of serious whoopass.
* CensorBox: During Minki's intro story, in which she shows up lacking panties, the Shonen Jump [[ShoutOut Pirate logo]] is used to cover up her crotch (to its great embarrassment.) Worse, the poor Pirate was also made to cover up Baki's GagPenis when the oni took on human form (and [[InnocentFanserviceGirl forgot]] to [[NakedPeopleAreFunny materialize some pants]].)
* CheerfulChild: Makoto Kurita
* ChivalrousPervert: Nube is head-over-heels in love with Ritsuko, but his rejection of Yukime comes on the grounds of him thinking she's too young for him ([[MayDecemberRomance She's 16, he's 25]]).
* ChristmasCake: Ritsuko.
* ClapYourHandsIfYouBelieve: The wish-granting Kesaran Pasaran.
* ClassTrip: And even then, they run into nasty critters.
* ClingyJealousGirl: Yukime, though she gets quite more CharacterDevelopment than other examples of this trope. [[spoiler: And she actually ''wins'' in the end.]]
* CompletelyMissingThePoint: In one episode, Tamamo wishes to become as powerful as Nube. Nube explains that he's so strong because he's protecting his students. When a malicious spirit targets one of the students, Tamamo goes WellIntentionedExtremist and ''throws the poor kid to the demon'' because it would mean the other students' safety, thus qualifying as protecting the kids. Needless to say, Nube is '''[[UnstoppableRage pissed!]]'''
* ConspicuousGloves: Nube always covered his left hand with a black glove. It's to hide the hideous deformation of the hand, because an Oni is sealed within it.
* ContinuityNod: Minor {{obake}}, especially those that are only [[SealedEvilInACan sealed away]], tend to make reappearances complete with flashbacks to their original appearances. At one point, a KnightTemplar exorcist bent on exterminating every supernatural critter (good or bad) causes a large number of them to rush to Doumori Elementary as a safe haven, with cameos galore.
* CoolCar: Just where did Tamamo get his? Also, Nube once bought one as an incredible deal, unaware that it was cursed by the couple who killed themselves driving it.
* CrossoverCosmology: In ''SPADES''. Even aliens get into it.
* CrouchingMoronHiddenBadass: In his regular life, Nube is silly, bumbling, and a pervert. He usually introduces himself to his new class by performing some ridiculous stunt (such as playing Tarzan) that backfires and humiliates him. But he will drop this attitude [[LetsGetDangerous in an instant]] and turn [[{{Badass}} deadly-serious]] when the situation calls for it. Even when drunk.
* CynicismCatalyst: [[spoiler:Nube's mother, whose death made his father [[ParentalAbandonment abandon him]].]] Also, Yan Kairen, the wandering Chinese [[PaperMaster exorcist]], whose sister's death inspired him to declare war on every supernatural apparition.
* DarkIsNotEvil: Goes together with LightIsNotGood in that plenty of {{Obake}} are actually friendly and helpful, whereas several gods are [[JerkassGods spiteful, mean, and would destroy humans trespassing their domain if given half a chance.]]
* DefeatMeansFriendship: Tamamo, Minki, and [[spoiler:Baki]].
* DefrostingIceQueen:
** Yukime.
** [[spoiler: Ritsuko-sensei, who would always keep Nube at arms' length due to his connection to the supernatural, eventually does come around and accept him for what he is. Unfortunately [[CryingWolf he's so used to being spurned]], he thinks she's under DemonicPossession and slaps the tar out of her with his exorcism sutra]].
* DemonicPossession: Naturally, a recurring theme.
* DemotedToExtra: It looked like Akira would be one of the main charas from Nuube's class, but never got lots of development. Subverted a bit later in the manga, when he shows off his [[TeenGenius scientific skills]].
* {{Determinator}}: Nube, by dint of being a {{Shounen}} hero. But then, he takes it [[UpToEleven a notch above]] reasonable levels; even if all he has left is a broken toe and the rest of him is a bloody paste, he'll stand on that broken toe and [[PapaWolf protect the innocent]] (even former foes.)
* DisabilitySuperpower: Ayumi Kinoshita, a perpetually bedridden IllGirl who was taught by Nube to project her astral body to attend school like any other kid.
* DistressedDude: Hiroshi gets kidnapped by Tamamo in episode 7 and spends a good portion of episode 8 with his hands chained together.
* DoggedNiceGuy: Nube, to Ritsuko.
* DumbBlonde: Miki's selfishness, GenreBlindness, materialism, and willingness to [[SealedEvilInACan unseal supernatural horrors]] [[SchmuckBait just to see if they're true]], have gotten her ''and'' the rest of the class (if not the town) into loads and loads of trouble. Miki, sweetie, ''learn your lesson'' already.
* TheEndOrIsIt: A surprisingly high number of incidents end this way ([[TheEndOrIsIt or, rather, don't]].)
* EnjoKosai:
** Nube accuses Izuna of this. He's not far off.
** And if she could get away with it, Miki would dive in headfirst. Then her sugar-daddy turned out to be a ''god''...
* EyeScream: [[IncrediblyLamePun Ai! Oh, Ai]].
* EveryoneCallsHimBarkeep: Only Minako-sensei [[spoiler: and his dad]] refer to Nube by his given name, Meisuke. Everyone else calls him either "Nube" (the kids from 5-A class) or "Nueno-sensei" (Yukime, Tamamo, the teachers)
* EverythingsBetterWithDinosaurs: You better believe it. Only a MonsterOfTheWeek, sadly.
* ExtranormalInstitute: Youkai High, which Yukime attends in the late manga. Populated and staffed by, [[ExactlyWhatItSaysOnTheTin what else]], [[{{Obake}} youkai]].
* FanDisservice: Ai is pretty, she has a cute body, we see her only in her panties... [[spoiler: with ''demon eyes extended all over her''.]]
** Also, seeing the not halfway bad-looking Nube [[ShirtlessScene without his shirt]] isn't appealing at all [[spoiler: when the arm attached to the Devil Hand is ''[[BodyHorror horribly mutated]]'' due to PowerIncontinence.]]
** The incidents that leave Ritsuko naked or half-naked tend to be either [[NakedPeopleAreFunny funny]] or [[MissFanservice sexy]]... [[spoiler: until she's subjected to a ShamefulStrip from the mentally broken Yukime, who then tries to kill her.]]
* {{Fartillery}}: Kappa can fly by using their farts. Nenekogappa is the only kappa in this series to be seen doing this though.
* FeudingFamilies: The Mountain God will stop at nothing to prevent his daughter Yukime loving Nube, sending out enforcers to kill the latter when attempts to persuade the former fail. [[spoiler:Also, Nube's father abhors {{Obake}} and nearly kills Yukime on sight]].
* FightingFromTheInside: Subverted: Minako-sensei had potential to do so, but prefers to not do it so she can keep Bakki at bay in Nube's hand until they can find a way to keep him definitely sealed.
* FirstNameBasis: It's a BIG deal for Katsuya Kimura when people start referring to him by his first name and not his surname.
* FuroScene: Actually, a whole Furo Episode when they attended a bathhouse, due to the bathrooms all over town being haunted. The bathhouse was haunted too.
* GagBoobs:
** A number of the female characters have overly large bosoms, but Miki's in particular fuel Kyoko's ACupAngst.
** The youkai Nenekogappa's breasts were even than Miki's (the latter even admits it), and the chapter's name, "The Huge-Breasted Youkai: Nenekogappa", lampshaded it.
* GenderBender: The offspring of a loving [[HotSkittyOnWailordAction succubus/normal man]] couple results in a genderless child, whom Hiroshi and Kyoko take turns convincing to settle for a gender... switching back and forth between a rough-and-tumble {{Bishonen}} and a YamatoNadeshiko woman.
* GenreBlindness: Miki plays ''way the hell too much'' with the supernatural and invokes too many tropes for her own good. You'd think she would have [[AnAesop learned something]] after [[TooDumbToLive the fiftieth time]] Nube saved her from [[HoistByHisOwnPetard the side-effects of her own pranks]].
* GhostlyGoals: Nube ends up assisting a large number of spirits achieve these.
* GlowingEyesOfDoom: Nube, in the opening narration.
* GodivaHair: Ritsuko.
* GoodThingYouCanHeal: Hayame the mermaid can regenerate from virtually anything, including being reduced to a desiccated corpse for hundreds of years or slicing out her own liver. A Buddhist nun who once ate her flesh is subject to some of the most gruesome punishment in the series (but so [[CrossesTheLineTwice over-the-top]] it loops back to [[BlackComedy hilarious]]) merely because she can heal just about anything.
* GossipyHens: Only one: Miki. Slightly subverted because she actually shows genuine distress at the possibility of being seen as a ''harmful'' one, and later a MonsterOfTheWeek uses this against her.
* GratuitousSpanish: "Adios!" and boom goes Tamamo's DangerousForbiddenTechnique.
* TheGrimReaper: Is a {{Meganekko}}, wields a SinisterScythe, and [[{{Kawaiiko}} likes ice cream and cute things]].
* HardWorkHardlyWorks: Subverted. Nube went through long years of arduous training to get to his level of skill. Whenever Izuna tries to find the easy way, she tends to get into trouble and Nube scolds her for it.
* HauntedTechnology: And if it isn't, Nube can stick his hand in it and use it in ways it wasn't meant for.
* HeelFaceTurn: Yukime and Tamamo. [[spoiler: And Nube's [[RedRightHand left-hand Oni]], Baki, as well as his sister, Minki]].
* HeroicSacrifice: Nube himself, Yukime, Tamamo, Ritsuko, and Nube's teacher Minako-sensei all risk their lives [[MamaBear to protect]] [[PapaWolf their students]].
* HeroicHost
* HotBlooded: Nube and Hiroshi. Sometimes, Izuna.
* HotForStudent:
** Played with, since despite Kyouko's open interest in Hiroshi, her first crush was actually ''Nube''. And in their past lives, they were lovers (as a princess and her retainer who held a BodyguardCrush on her).
** Additionally, when Tamamo joined the school as the nurse, all the girls gained crushes on him. He didn't do a lot to encourage them (aside of some random flirting to piss Nube off), since he had quite a goal in mind...
* HugeSchoolgirl: Subverted with Miki, who ''loves'' her large chest and also adores to tease the flat-chested Kyouko about that. Noriko plays it more straight since she's very modest and shy about hers, until she's possessed by a mischievous spirit...
* HugeGuyTinyGirl: Nube is quite a bit taller than Yukime.
* IdiotHero: Hiroshi, Hiroshi, Hiroshi. Nube isn't much smarter outside his field of expertise, either.
* InnocentFanserviceGirl: Hayame the mermaid, whose GodivaHair usually takes care of things while in her natural form. Her method of turning into a human (transforming her tail into legs that she spreads wide open, ''in public'') can cause heart-attacks, though.
* TheLancer: [[spoiler: Tamamo]] even before his HeelFaceTurn.
* LethalChef: Yukime (she's an Ice Maiden so, even when she *does* try, it takes her a LOT to not get it frozen), Kyouko (just a fifth grader, so she still has time to improve) and Minki (whose food isn't bad... [[AlienLunch per demon's standards]])
* LivingStatue: The Sontoku Ninomiya statue on Doumori Elementary's front yard. Mistaken for evil at first, when it was really trying to protect Makoto from ''real'' demons.
* LiteralGenie: Inverted with Agyou-san, a demon that [[RealityWarper can modify reality itself]] by making it the ''exact opposite'' of whatever you've just said. Can work as a very handy ResetButton if you're GenreSavvy enough, as long as you're not [[TooDumbToLive stupid enough to yell]] "We can beat him!" just as [[TheCavalry your allies have arrived]] to save your butt.
* LonersAreFreaks: Katsuya, in the beginning
* LoveRedeems: Yukime starts as a FilleFatale, but when she sees Nube's love for his students she decides to gain his appreciation through more honest means.
* LotusEaterMachine: [[spoiler: Kyouko suffers the effects in both anime and manga]].
* LoveTriangle:
** Later on, with Ritsuko and Yukime vying for Nube's affections, making it a [[TriangRelations Type 3]].
** Sometimes Miki would reveal some very minor crush on Hiroshi, which would make her the A in a [[TriangRelations Type 4]] with him and Kyoko as B and C respectively. Whether she means it or not is never really explored, but she does look disappointed at the end of those stories.
* MamaBear: [[spoiler: Ritsuko's CrowningMomentOfAwesome was trying to protect a child from an evil ghost despite ''knowing'' she had virtually no chance to win, eventually buying Nube enough time for a BigDamnHeroes.]].
* MarshmallowHell: [[spoiler: Ai, on Makoto. After she's liberated from the Eye demon. ''And she was naked''.]] Also, Miki got a ''little'' too enthusiastic trying to help Makoto get over his nightmare issue by giving him what she thought would be a ''pleasant'' dream...
* {{Meganekko}}: Ai Shinozaki and the Grim Reaper. Akira is a male version.
* MentalTimeTravel: Allowing Nube and Kyoko to revisit their own past lives.
* MissingMom: Hiroshi's mother died when he was a toddler. The episode when he finds out she's been [[{{reincarnation}} reincarnated]] as a kindergarten girl is one of the biggest {{Tear Jerker}}s of the series, if not THE one.
* {{Mon}}: Affectionate parody with some minor {{obake}} sealed in capsules.
* MonsterClown: Pierrot in the second movie. Made worse by being voiced by Ryusei Nakao, the same voice actor as [[Manga/DragonBall Freeza]] and [[Manga/{{Bleach}} Mayuri Kurotsuchi]].
* MonsterOfTheWeek
* MsFanservice: Izuna, [[NakedPeopleAreFunny to her distress]]. Her Tube Foxes often pop up merely to cover up her bits with signs reading "Fanservice!"
* MurderTheHypotenuse: Cruel subversion: [[spoiler: Yukime is tortured to death when she ''refuses'' to kill Ritsuko, when given the chance to do so.]]
* MysteriousParent: [[spoiler:Nube's father Jikuu]].
* TheNapoleon: Makoto.
* NightmareFetishist: Both Nube and Miki.
* NightmareFuel: As expected. In universe, one of the monsters actually ''[[LotusEaterMachine causes]]'' [[LotusEaterMachine nightmares]] as part of its powers.
* {{Obake}} and {{Youkai}}: Japanese spirits form the core of Nube's opponents, though every once in a while he also deals with foreign creatures.
* ObviousPregnancy: in chapter #220 of the manga, "Izuna becomes a Mother!?", whoever gets possessed by the Boze (the unborn spirit of a human child) immediately looks heavily pregnant. Possibly justified by the fact the mother was due to deliver any day now, and in fact goes into labor by the story's end, before Izuna carelessly expelled the spirit from her womb.
* {{Ojou}}: Ai Shinozaki, also the local LonelyRichKid.
* {{Orochi}}: Explicitly stated to be the most powerful of all {{Obake}}, summoned by a MadScientist via use of MagiTek.
* TheObiWan: Nube's old teacher, Minako-sensei.
* OlderThanTheyLook:
** Makoto looks almost like a third-grader, despite being a fifth-year student.
** And CuteWitch Mami-sensei is actually 22, when Nube thought she was ''six''.
* {{Onmyodo}}: Mixed liberally with Shinto and Buddhist rites. Yang Kairen uses Ofuda as his main exorcism tool, and one of Nube's most versatile artifacts is the Sutra of the White Goddess, which unfolds (accordion-like) to bind apparitions.
* OurVampiresAreDifferent: Aside from the one actual vampire, a surprisingly large amount of {{Obake}} in the series attack people just to suck out their blood, LifeEnergy, BattleAura, or ''soul''.
* PapaWolf: You do NOT mess with Class 5-3 or whomever else Nube happens to be protecting.
* PaperMaster: [[KnightTemplar Yang Kairen]] uses [[{{Onmyodo}} ofuda]] for a variety of effects, from summoning fire, heat beams or even meteors, to merely slapping a paper ward on a foe and then ripping the paper in half (causing the same effect on said foe.) Nube's Sutra can unfold into a whip-like shape that can ward off spiritual attacks.
* ParentalAbandonment: [[spoiler:Nube's father, again]]. Hiroshi's father, who works as a trucker, is on the road so often he might as well count, but father and son still love each other very much.
* PerpetualPoverty: Nube, to the point of the actual ''God'' of Poverty haunting him for a few weeks. It is shown explicitly that he ''could'' make a fortune by abusing his clairvoyance and other PsychicPowers (much like Izuna [[spoiler:and his father]]), but [[HonorBeforeReason chooses not to out of dignity]], outside of cheating at the nearby Pachinko machines. And what kind of an example would he set for his students if he didn't earn his living honestly, anyway?
* PetTheDog: Shuuichi Shirato is a male RichBitch, but he genuinely loves animals and specially dogs. [[spoiler: To the extreme of being willing to [[HeroicSacrifice give up on his own life]] to calm down a dog spirit which rage he incurred upon, so it wouldn't kill his friends.]])
* {{Pilot}}: The first episode of the anime series was adapted from the manga pilot, which was called "Hell Teacher ''Nubo''" and had a drastically different character design for the titular character.
* PlayingWithFire:
** Izuna spontaneously develops pyrokinesis while going through her first crush. [[SuperPowerMeltdown Uncontrollable at first]], [[ClothingDamage causing her clothes to disintegrate]] [[{{Fanservice}} *all the time*]], and leaving Nube and the others to worry about her not developing the RequiredSecondaryPowers to survive her own flame. She learns to control it [[KillItWithFire with amazing efficiency]].
** Youko like Tamamo and the Nine-Tailed Fox also use fire as their primary weapon.
* {{Pollyanna}}: Zashiki Warashi, the soul of a little girl who [[HeroicSacrifice worked herself to death]] [[TheCaretaker making everyone around her happy]], and continues doing so as a spirit by granting unbelievably good luck and happiness to people. Just [[BewareTheNiceOnes don't get on her bad side or she'll give you BAD luck indeed]]...
* PowerLimiter: Nube covers the Oni hand with his black glove.
** PowerIncontinence: Will happen to him in a fixed day and hour [[spoiler: which is the anniversary of the moment when he got said Oni Hand.]]
* ThePowerOfRock: Hayame's singing compels anyone who hears it to respond to the emotion in her words, such as becoming aggressive with hot-blooded lyrics or lovey-dovey with romantic ballads. Then she makes it big as an IdolSinger...
* PragmaticAdaptation: The anime version trims a lot of story lines to make it fit in a limited number of episodes. Bad thing, some of these involve important CharacterDevelopment and the appearance of interesting characters [[spoiler: like Jikuu Nueno, Nube's DisappearedDad.]]
* RedemptionEqualsDeath: A good number of hauntings, [[GhostlyGoals of course]]. More explicitly, [[spoiler:Jikuu makes peace with his estranged son before tossing himself at the Mountain God, [[TakingYouWithMe sealing it forever]] at the cost of his own life]].
* RedEyesTakeWarning: Nube has red irises. They're a sign of his spiritual power than any evil intent, though (but ''do'' [[PapaWolf take]] [[CrouchingMoronHiddenBadass warning]]).
* RedOniBlueOni: Red Nube, Blue Tamamo.
* RedRightHand: The very premise of the character.
* {{Reincarnation}}: Implied to be par for the course for human souls. Explicitly demonstrated with Nube and Kyoko, who have even [[MentalTimeTravel returned (briefly) to previous lives]], and with Hiroshi's MissingMom, [[TearJerker reincarnated as a kindergarten student]].
* RescueRomance:
** Kyouko's former crush on Nube started when he saved her from a demon. Yukime also falls for him this way, when Nube saves her from being shot to death as a little girl.
** Also Kyoko and Hiroshi; more poignant because, whenever he saves her life, she ''[[ContinuityNod remembers]]'', even several volumes later (although the reverse isn't necessarily true.)
* RichBitch: Shuuichi Shirato is a male example, to a degree.
* RyotaroOkiayu: Nube
* ScareDare: School after dark, haunted house, derelict playground, ancient graveyard, you name it. The [[SchmuckBait scary urban "legend"]] ''always'' turns out to be true, if not worse than the legend. [[GenreSavvy Dammit]], [[FearlessFool Miki]]!
* SchmuckBait: A good deal of Nube's time is spent saving his students from horrors they brought upon ''themselves'' by playing with UrbanLegends, toying with ArtifactsOfDoom, irritating a local {{Obake}}, or just fooling around with powers they don't fully understand.
* SealedEvilInACan: The Oni sealed into Nube's left hand that he gradually gains more control over as the series progresses. A whole episode deals with this since Tamamo, Kyouko and Hiroshi have to TimeTravel to save Nube's life when the Oni almost takes over him.
* SealedGoodInACan: Minako-sensei, after a fashion --if circumstances allow her to manifest, she proves herself an overwhelmingly powerful spiritualist. Izuna and Nube's Tube Foxes, which willingly live inside tiny cylinders (such as pens) also count.
* SexyMentor: Minako-sensei was beautiful, had a [[MagicSkirt magic mini skirt]] and was VERY well-endowed.
* ShoutOut: To many other ''Shonen Jump'' titles, including Manga/DragonBall. Nube and Tamamo mimic the Fusion Dance in order to split themselves into tiny doppelgangers; what makes this homage even more hilarious is the heartfelt apology to Akira Toriyama in the footnotes every time that's necessary.
* ShrinkingViolet: Noriko "Noro-chan" Nakajima. Ai Shinozaki also has some traits, but [[StepfordSmiler she hides them better]].
* SinkOrSwimMentor: Nube's [[spoiler:father]].
* SplitPersonalityTakeover: Happens to Ritsuko when the spirit of Minako-sensei accidentally ends up in ''her'' body, fusing both personalities into "[[ActionGirl Miss]] [[{{Badass}} Rinako]]."
* StringyHairedGhostGirl: Nearly all female ghosts, but especially the Wet Woman, which is practically an {{Expy}} of [[TheRing Sadako]] but with a black kimono.
* {{Stripperiffic}}: Minki redefines the trope. Her first appearance in the manga was [[NakedPeopleAreFunny missing her thong panties]], meaning she was missing about 70% of her total wardrobe. Nube gives her actual clothing later on.
* SupernaturallyDeliciousAndNutritious: Nube in his youth; I think at least one of his clients and/or students ended up with a similar problem.
* SuperPowerMeltdown: Whenever Nube loses control of the Oni Hand, it threatens to consume his entire body and overwhelm his spirit. Also, Minki needs her panties to [[PowerIncontinence control her vast powers at all]], otherwise her attacks [[HoistByHisOwnPetard blow up in her face]] (sometimes for [[RuleOfFunny laughs]], sometimes for real.)
* ThanksForTheMammary: Nube accidentally groping a woman ''with the Oni Hand'' results in Minako-sensei getting ''very'' angry.
* TokenMiniMoe: Mami-sensei, the 22 year-old teacher who looks (and acts) every bit like a first-grader.
* {{Tomboy}}: [[FieryRedhead Kyoko]], see below. Justified in that her guardian spirit is a powerful samurai.
* ToshikoFujita: Hiroshi
* TraumaInducedAmnesia: Yukime gets one after [[spoiler: melting and being reborn into a new body]], but eventually recovers her memories thanks to ThePowerOfLove.
* TrueCompanions: Class 5-3 become this eventually, to the point of the entire class getting themselves attached to a parasitic tree spirit to rescue the one student trapped inside its trunk.
* {{Tsundere}}:
** Kyoko, a Type B (sweet and caring default with a hair-trigger temper). Ritsuko also is one, showing more or less a pleasant disposition until Nube brings up ghosts to the conversation.
** Yukime is also just as likely to [[TheGlomp kiss and hug]] Nube as she is to encase him in ice and toss him out a third-story window when he [[{{Jerkass}} pushes her buttons]].
* TwoTeacherSchool: Averted, since Nube and Ritsuko (and Minako-sensei, when alive) are NOT the only teachers we see. The Director is more or less often around (and in fact he hired Nuubee [[GenreSavvy fully knowing about his powers]]), the PE teacher has helped the cast once or twice, and Tamamo often poses as the school nurse. Ootsuki-sensei also fancies himself a [[Film/{{Ghostbusters}} ''scientific'' exorcist]], out to prove paranormal events as some manifestation of "plasma." And then there's Mami-sensei, the [[TokenMiniMoe ten year-old looking]] teacher/[[CuteWitch part-time witch]] out to win the heart (or at least some other part) of Nube.
* UrbanLegends: ...and abuse thereof are part and parcel of Miki's life. Specifically (and, sometimes, unrelated to Miki!) the series has dealt with modern-day urban legends such as:
** [[http://en.wikipedia.org/wiki/Aka_Manto Red Mantle]]. But in ''Nube'''s case, not a yokai, but a human serial killer who patterns his crimes after the urban legend.
** [[http://en.wikipedia.org/wiki/Kuchisake-onna Kuchisake-onna]]. And not content with that, her comeback story involved a whole ''group'' of them who joined together for support.
** Hanako of the Toilet: a two-fer, in fact, based on the original legend's MultipleChoicePast. Both Hanakos died in the toilet stall, but one was malevolent and the other was a victim of air raids in the war.
** Turbo-Obasan, a decrepit old woman who chases after young people with supernatural speed.
** Chain letters that claim that a great tragedy will befall you should you neglect to pass them on to more people. Nube was NOT pleased with Miki for this one.
** Reiko Kashima, a young woman who was torn apart and killed in an accident and now haunts the streets trying to replace her missing legs with those of her victims. ''Nube'' conflates her with the urban legend of Teke Teke, who suffered a similar fate but instead "just" slices her victims in half.
** The {{Chupacabra}}.
** Peering into two facing mirrors in order to see your future self reflected into infinity.
** Counting the steps on a staircase with your eyes closed, with a thirteenth step appearing out of nowhere as a gateway to the world of spirits.
* VitriolicBestBuds: Kyoko and Miki are a female version. Nube and [[spoiler: Tamamo]] often act like this after the latter's HeelFaceTurn.
* WeirdnessMagnet: Nube (but he gets clients because [[JustifiedTrope he is a well-known spiritualist]]) and Class 5-3.
* {{Wishplosion}}: Again, the white puffball that is the Kesaran Pasaran. Used to teach Miki a lesson in its first appearance, then [[ContinuityNod brought back]] by Nube's kids to [[CrowningMomentOfAwesome defeat the ultimate evil]].
* WhatIsThisFeeling: This is the only reason the [[ThresholdGuardians Nine-Tailed Fox]] [[spoiler:revived Tamamo and granted him of its own tails to restore his fading LifeEnergy]] after the [[OnlyTheWorthyMayPass Jar Test]].
* WhatIsThisThingYouCallLove: Before his HeelFaceTurn, Tamamo decided to stick around Doumori (and Nube) specifically to find out how ThePowerOfLove provided the teacher with such [[{{Determinator}} an indomitable will]].
* WhoWantsToLiveForever: Nube rejects [[MermaidSaga a mermaid's offer to eat her own flesh]] due to this trope.
* WhyDidItHaveToBeSnakes: Ritsuko is ''terrified'' of ghosts.
* WhoYouGonnaCall: Although his primary responsibility is to his school, Nube also works as the local exorcist and people often drop by to request his services. "Itako-girl" Izuna is a much more mercenary version, but she still lacks the skills and often gets in over her head. [[spoiler:Nube's father]] is an extraordinarily powerful exorcist with worldwide following.
* WreckedWeapon: After a fashion. Nevermind the occasional SuperPowerMeltdown when the Oni Hand goes berserk and tries to consume Nube; more than once this appendage was stolen away from the teacher, leaving him to cope with [[PhlebotinumBreakdown a cat's paw or even just a stump]].
* YamatoNadeshiko: Kyouko temporarily turns into one when Nube swaps her guardian spirit, but this doesn't stick as said guardian spirit also turns her into a DistressedDamsel.
** Noriko is basically one in training. It specially shows when [[spoiler: she manages to appease the ''very'' angry Library Ghost Girl [[SilkHidingSteel with only kind words]].]]
* YesVirginia: If your airplane pilot says he sees Santa, pray (for Santa's sake) he doesn't crash into the jolly old fellow.
* YoungerThanTheyLook: Ai Shinozaki is 12 years old and already has GagBoobs. Ditto Miki, though at least her height's normal. Even Katsuya, who ''is'' supposed to be a delinquent and likely has repeated more than one grade, looks like he's in his late teens.

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