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Manga / Murenase! Shiiton Gakuen

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Seton Academy, a school full of animals where, thanks to population decline, there are fewer humans than any other creature. Mazama Jin, an animal hater and the only human male in his class, falls in love with Hino Hitomi, the only female human, the moment he lays eyes her. However he soon finds himself entangled with various other creatures after he reluctantly joins the 'pack' of Lanka the wolf, the only other member of her pack.


General Tropes:

  • Abhorrent Admirer: Jin hates most animals, but he will run in fear from the Male Giraffe that has a crush on him.
  • A-Cup Angst:
    • Meimei becomes self-conscious that she has the smallest bust of all the girls at the cooking club when trying outfits.
    • Anne is also jealous of Hitomi's bust.
  • Armor-Piercing Slap: Miyubi gives Manako a (very slow) slap to make her stop trying to kill herself.
  • Arranged Marriage: Meimei the giant panda is sent off to fulfill a breeding contract with a handsome male, which she is extremely unhappy about. (Un)Fortunately, the male decides she "isn't his type" and the contract is annulled.
  • Bash Brothers: Yena the hyena and King the lion become this.
  • Bears Are Bad News: The gang of bears are a bunch of bullies that constantly harass Jin and Lanka. Until Ferryl came along.
  • Big Eater: Anne Anetani eats a lot of meat really fast. An early hint she's a Neanderthal, who had a mostly carnivorous diet.
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  • Bizarre Sexual Dimorphism: Females look a Little Bit Beastly, but males are basically bipedal animals.
  • Bitch in Sheep's Clothing: Hanjima takes advantage of his charm to make Chloe lose focus during their card game. When Chloe finds out he's a Quagga who only pretended to like her, she kicks him in the face and wins the game.
  • Boisterous Weakling: Nomadon the lion may try to act badass, but he gets constantly beaten up by hyenas, other lions and Io the lioness.
  • Boxing Kangaroo: Although like in real life, kangaroos also use their very powerful legs to kick. There's a pretty important match between Midoru the Wallaroo and Akabukuro the Red Kangaroo.
  • Cannot Spit It Out: Kuromori, Ferryl's Number Two, can't muster the courage to tell her he likes her. Her crush of Terano-sensei doesn't help either.
  • Cuddle Bug: Rimu-sensei the wooly spider monkey loves hugging people, much to Jin's dismay.
  • Cutting the Knot: Chloe quickly becomes the world champion at the "Magic: The Donkeying" card game due to her kicking all her opponents unconscious, which is apparently legal in the game's rules.
  • Dark Is Not Evil: Aishima Yubiru the aye-aye is very odd-looking and his hands are a source of superstition, but he and his fellow aye-ayes are pretty nice fellows. Granted, running the Dark Magic club doesn't exactly help.
  • David vs. Goliath: The boxing match between 1.40m tall Wallaroo Midoru and the 1.80m tall Red Kangaroo Akabukuro invokes this. Midoru wins.
  • Didn't Think This Through: While Baiji's plan to get close to Hitomi worked, it didn't occurred to her she now has to participate in the beauty contest.
  • Dogs Love Being Praised: Jin ends up tutoring most of the Beast Man and Little Bit Beastly population of the school when they hear rumors that anyone who fails the next tests will be expelled. As Jin tutors everyone, finding ways to learn particular to each type of beast, he very specifically does not tutor Lanka the wolf until much later, in private. That's because the special trick he has for her is, very simply, praising her whenever she gets anything right. Unfortunately, Lanka gets so excited at Jin's praise that she leaps onto him, prompting Jin to get mad and throw her out of the room, which the narration notes pretty much negates the effects of the praise.
  • Driven to Suicide: Kagami Manako the tarsier tries to kill herself when stressed. Luckily Miyubi talks her out of it.
  • Dumb Dinos: Averted by the dinosaur characters. Which is a given since they are the teachers in the school, making them also an inversion.
  • Even the Girls Want Her: Hitomi has attracted the attention of more than one female student, like Yena the hyena, Anne the Neanderthal and Mam the mammoth.
  • Even the Guys Want Him: Jin has attracted the attention of a male giraffe and aye-aye, which he doesn't want anything to do with. A male sea otter also develops a crush on him.
  • Everything Is Better With Dinosaurs: The teachers at school are dinosaurs and a pterosaur, although the principal is an Anomalocaris. Also, whereas the students are all humanoid animals on some level, the teachers are all just extinct animals with little to no biological modification...wearing suits.
  • Everything Is Better With Monkeys: Most students (minus Jin) certainly think so about Rimu-sensei, the woolly spider monkey.
  • Forceful Kiss: A rather odd variant. Like a wolf, Lanka licks people in the mouth to welcome them to her club. The reactions vary.
  • Gang of Bullies: The Brown Bears.
  • Gentle Giant: Many of the teachers are huge dinosaurs, but most of the time are quite reasonable with their students, just don't anger them.
  • Grievous Harm with a Body: Kuromori's special battle technique, the Ratel Hammer, involves having the invulnerable Teru curled up in a ball and swung like a flail.
  • Groupie Brigade: The Lionesses for King, who love his enormous mane. When he cuts it off, they immediately abandon him without a second thought.
  • Gyaru Girl: All the Lionesses dress in Kogal style.
  • Hate Sink: During the Sports Festival, there's Saruhara Pan and the other chimpanzees. They are a bunch of cheaters who never fail to rub in everyone's faces they can use (human made) inventions as 'tools' to give themselves an unfair advantage over the other animals. It stands out they're the only animals Lanka has downright refused to befriend.
  • Here We Go Again!: This is Jin's reaction when Miyubi introduces her new friend, a Giant Sunda rat (which have the shortest lifespan of all known mammals), after losing her mouse friend Hatsune early that chapter.
  • Home Nudist: The naked mole rats in general, and Student Council President Miki Hadano in particular, hate wearing clothing and spend their time in underground stripped down to their underwear.
  • Huge Schoolgirl: Ferryl, Lanka's sister is easily 10ft tall. It's explained that she grew so much thanks to the Bergsmann's Rule, since during her childhood she would always leant her coat to shield Lanka from the cold.
  • Humanoid Female Animal: Male beasts are drawn as Beast Men, looking exactly like the animals they are, while female animals are just a Little Bit Beastly, sometimes with just token nods to their race like the proper ears and tail.
  • I Am Big Boned: Wajima the Steller's sea cow doesn't like being called fat, and it's his Berserk Button.
  • I Ate WHAT?!:
    • Yukari's introduction and motivation for joining the Cooking Club is centered around trying to discover the tasty food she ate as a child that wasn't eucalyptus. When it's revealed that mother koalas feed their babies their own poop to help them develop vital antibodies, Yukari is shocked at the fact that was what she ate. However, she quickly goes on to embrace it as her new favorite food besides eucalyptus.
    • This is the expression of Baiji when told what she ate for the eating contest: Rabbit poop.
  • Interspecies Friendship: Lanka's goal is to have a pack made of different species, and despite Jin's objections, she has stricken friendships with several.
  • Interspecies Romance: King the lion actually feels attracted to Shiho the impala, despite the problematic implications of being predator and prey.
  • Jerk with a Heart of Gold: Jin never fails to remind everyone how much he dislikes being surrounded by animals, but despite that he has many Pet the Dog moments, and much of the series consists of him helping the animals.
  • Kick Chick: As expected from a zebra, Chloe mostly uses kicks.
  • Lady Looks Like a Dude: Yena the spotted hyena didn't even know she was a woman until Jin pointed out female hyenas have a pair of false genitals, afterwards she finally accepts being a (very tomboyish) woman.
  • Lampshade Hanging: When Anne asks the other members of the Ex(tinct)-group why did they let Andou the Andrewsarchus join them if his kind didn't go extinct because of humans (they lived long before humans evolved), none of the other members has an answer.
  • Likes Older Men: 17 year old Ferryl has developed a crush on 110-year old Terano-sensei.
  • Lovable Alpha Bitch: Meimei the panda may be spoiled and a self-proclaimed idol (pandas are very popular), but she's a good girl deep down who really wants to have friends.
  • Lovable Sex Maniac: Bonobo, like most of her kind, uses "hoka-hoka" as a way of relieving tension (usually by making out with another girl), and she has no problem proposing to Jin as well.
  • Made of Iron: Anamitsu Teru the ratel is, literally, very resistant and persistent, like Real-Life ratels.
  • Meaningful Name: It also crosses with Punny Name, since most characters have names that indicate their species.
  • My Species Doth Protest Too Much: Unlike most wooly spider monkeys, who will elope with anyone, Rimu-sensei wants to only do it with someone she likes first. That made her very popular back when she was a student.
  • Naked People Are Funny: The first thing everyone notices about Lanka's father is that he's a (realistic) naked wolf.
  • The Napoleon: Mammoth is tiny (woolly mammoths are smaller than people imagine, about the size of an Indian elephant), and gets annoyed when pointed out.
  • Negated Moment of Awesome: When Wajima the Steller's sea cow tries to help Mammoth, he trips on some marbles and gets immediately knocked out.
  • New Transfer Student: Meimei the giant panda and her manager Fon-Fon the red panda transfer to the school in chapter 23.
  • Nightmare Face: The teachers are all very good at pulling their Prehistoric Monster faces whenever students anger them.
  • Noble Wolf: Kuromori and the rest of the wolves may act like delinquents, but they're loyal and very supportive of Ferryl nonetheless.
  • Not So Extinct: Funnily enough Bar the Barbary lion wasn't aware his kind wasn't truly extinct (there are still a few Barbary lions in captivity) until Jin told him.
  • Our Nudity Is Different: Naked mole rats feel embarrassed when using clothes, so they're always in their underwear when alone.
  • Overprotective Dad: Lanka's dad isn't pleased with Lanka hanging out with Jin. And when he finds out about Ferryl's crush on Terano-sensei, he immediately jumps to attack a freaking T-Rex.
  • Panda-ing to the Audience: An almost-parody of this trope, since Meimei the giant panda is treated like a celebrity because of her species' popularity, so having Jin deny and even insult her is an entirely new experience.
  • Paper Tiger: Andou the Andrewsarchus may be big and intimidating, but his jaws aren't that strong and is constantly defeated by smaller animals.
  • Perpetual Smiler: Kana Shiroumi the Beluga is always smiling, even when sad (belugas always seem to be smiling).
  • Pint-Sized Powerhouse: Mam the mammoth might be tiny (about Lanka's size), but she still has all the strength of a prehistoric elephant.
  • Pixellation: Miki Hadano the naked mole rat's disgust towards clothing is such that when she looks at people who are dressed, she sees their clothing in pixels.
  • Please Put Some Clothes On: This is the reaction of the cooking club when meeting Lanka's father. He ends up looking like a wolf wearing pajamas.
  • Precocious Crush: Meri the young sheep has one on Jin.
  • Ptero Soarer: Nodo-sensei, the P. E. teacher, is a Pteranodon.
  • Raptor Attack: Mostly averted with Deino-sensei the Deinonychus, who has feathers and uses his foot-claws the correct way (by stabbing, not disemboweling like in Jurassic Park).
  • Running Gag:
    • Miyubi nearly dies of almost everything.
    • The Dinosaur teachers threatening Jin and the other students into compliance.
    • King the lion losing his mane and then regrowing it.
  • Seldom-Seen Species: Many animals shown in the series aren't very common in media, including anime and manga, such as the Aye-aye, naked mole rat, Alamosaurus, Diprotodon, wallaroo, the tarsier, quagga, honey possum, the wooly spider monkey, Andrewsarchus, Baiji, Steller's sea cow, prairie vole and more.
  • Serious Business: Card games are this for donkeys and zebras. Chloe even becomes champion.
  • Shown Their Work: Its clear the author has done its research, since most of the facts presented at the series are rather obscure.
  • Ship Tease: it was shown in an omake that, with the possible exception of Yukari (the koala), all the main girls have some romantic interest in Jin san.
  • Stock Dinosaurs: Most of the teachers are these: Tyrannosaurus, Triceratops, Iguanodon, Stegosaurus, Ankylosaurus, Parasaurolophus, Spinosaurus, Deinonychus, and Pteranodon. On the other hand, the token sauropod is the non-stock Alamosaurus.
  • Stronger Than They Look: Yukari the koala has an immense gripping strength (over a ton!).
  • Teens Are Short: Lanka is tiny for a wolf/teenager.
  • They Killed Kenny Again: Miyubi the sloth dies from just about any kind of physical exertion and her frequently dying is one of the series Running Gags. She dies so often that it's eventually lampshaded with Jin remarking that he doesn't even feel any sort of tension when someone declares Miyubi has died again.
  • Token Human: Jin and Hitomi are literally the only humans at the series. It's stated that humans are actually rare in the setting.
  • Took a Level in Kindness: Chloe was at first snobbish and mean spirited, but after Jin reveals zebras are more closely related to donkeys than horses, her pride goes away and becomes a much nicer person.
  • Too Much Information: Nobody likes to know that Yukari's favorite meal after eucalyptus is poop.
  • Transgender: Yena takes a roundabout path but ultimately finds himself here. When introduced, he proclaims himself male while drawn in the Little Bit Beastly style exclusive to girls. However, this isn't Yena presenting as male, it's him not even realizing he could be anything but male, due to female hyenas having an organ similar to a penis. When this is pointed out to him, he briefly tries being more feminine, but Hitomi encourages Yena to Be Yourself, and he remains male from that point onward. His father and brother lament the waste of the frilly clothing they got for him, but otherwise are accepting.
  • Tsundere:
    • Kurumi the cat is usually aloof, but shows her dere side on occasion.
    • Taken to a hilarious extreme with Ruka the dolphin; while half asleep (dolphins can rest one hemisphere of their brains at a time) her dere side emerges, but when awake she's all tsun.
    • Io the lioness also doesn't want to admit her growing attraction towards Nomadon the lame lion.
  • Tyrannosaurus rex: Terano-sensei is the homeroom teacher of Jin and Lanka's class, and a T. rex.
  • Unwanted Harem: King the lion is constantly shadowed and pampered by female lionesses that adore his mane, but he really wants to be alone with his crush Shiho, who is scared of the other girls.
  • Used to Be a Sweet Kid: Flashbacks show Jin was the opposite in terms of personality, loving animals and wanting to befriend them.
  • Walking Armory: Jin's distrust of animals means he always carries tools to subdue them, unique to a particular species' weaknesses (such as citrus repelling away dogs)
  • Walking Swimsuit Scene: The students from sea academy wear this as regular uniform.
  • Wham Shot: Anne Anetani is actually a Neanderthal who wants humans to go extinct.
  • What Is This Feeling?: Anne finds herself conflicted at her growing feelings of friendship for Hitomi (Neanderthals are believed to have felt less empathy than modern humans).
  • The Worf Effect: The trio of brown bears that bully the other students are used as the preferred punching bags when a new character needs to show their strength. Ironically, they shy away from Andou the Andrewsarchus due to his enormous size and terrifying jaws, when Andou is not good at fighting at all.

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