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Characters / Kemurikusa

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Tropes for the characters of Kemurikusa. ALL SPOILERS ARE UNMARKED.

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Main Characters

     The Sisters 



Voiced by: Mikako Komatsu
The main heroine, fighter and real leader of the group. She's the one holding the Memory Leaf, capable of storing information, flashbacks and even the "souls" of her deceased sisters. She also got the sense of Body/Strength from the First Person and, after Ryoku's death, Sight.


Voiced by: Arisa Kiyoto
The decoy leader of the group, Ritsu acts as the oldest sister. She always seems tired and isn't even capable of walking on her own, needing the help of Midori's branches and roots to move and explore along the main group. She's also the one who has been taking care of the tree, loving it as her own child. Ritsu obtained the sense of Hearing from the First Person, hence why she sports an extra pair of furry ears on her head.

  • Caring Gardener: Ritsu is usually tending to Midori, a tree that grows Green Kemurikusa.
  • Cat Smile: She's always sporting this due to her Little Bit Beastly status.
  • Exhausted Eye Bags: Due to always staying on watch and suffering most of the stress and guiltiness the girls face. This makes her look like a grown-up woman when she's supposed to be a young adult at most.
  • Green Thumb: Ritsu's main combat method is using Midori's branches and roots to crush or impale the Red Bugs with them.
  • Hidden Depths: She actually feels extremely guilty about Midori, thinking of herself as selfish for using her sisters' scarce water just so she can keep it healthy and questioning if that's even a good thing. Rin snaps her out of it, saying that her happiness matters just as much as their own lives.
  • Little Bit Beastly: Has a pair of cat ears on her head, mainly because she obtained the sense of Hearing from the First Person.
  • My Greatest Failure: Just like Rin, Ritsu tends to feel guiltiness after each of the sisters' deaths. In the first episode, she blames herself for not noticing the Red Bug which killed Rinako.
  • Nice Girl: The nicest of all the sisters, she's the one that is always looking for them. She's also the only one that doesn't treats Wakaba like an enemy or a nuisance when they first meet, unlike the other sisters.
  • Not Afraid to Die: She implies this on Episode 7 after Rin's attempt of looking for the Red Tree all by herself, saying that they should stick together and that if they die, then they die.
  • Team Mom: Always taking care of her sisters and giving moral speeches to them. She's the one that takes their deaths the hardest, even blaming herself for those.
  • Tears of Joy: In Episode 5, after learning that Midori's leaves have the property of fixing broken things, she cries both in proud and relief, knowing that taking care of Midori and using most of their scarce water on it has not been a waste for her family.
  • Tender Tears: Ritsu is the carrier for this. She's the most sensitive of the bunch and cries tenderly a few times, like when she thinks they can live happily and in peace from now on.
  • Verbal Tic: She ends most of her sentences with "Nyah".
  • Younger Than They Look: She looks older than the other Sisters but they're supposed to be of the same age. This is because of her Exhausted Eye Bags.

The Rinas

Voiced by: Tomomi Jiena Sumi

A group of six kids that were split from the original Rina by unknown means. They consist of Rinamu, Rinayo, Rinacchi, Rinaji, Rinako and Rinazou, though we only get to know well the former four as Rinako dies in the first episode and Rinazou dies before the start of the anime. They obtained the sense of Taste from the First Person.

  • Badass Adorable: They look like little kids who are always hungry and playing with each other, but they're very capable fighters thanks to their sneakiness, agility and Hyperspace Arsenal.
  • Big Eater: They're always hungry and trying to eat most metal structures on sight. Justified, since they need the energy to keep functioning as clones.
  • Cute Bruiser: They may be small, cute kids, but don't underestimate them. After all, they can destroy Red Bugs just fine like the rest of their sisters while also being capable of tanking attacks as demonstrated in Episode 7.
  • Extreme Omnivore: They only eat metal and steel from other structures.
  • Eyes Always Shut: Rinamu seems to be on a permanent sleep status since she's the one controlling the other Rinas and needs more energy. She's awake of course, but needs to be carried by her clones most of the time.
  • Funny Background Event: If either Rin, Wakaba, Ritsu or even some of the Rinas are talking, expect the rest of them to be playing, exploring or chasing each other in the background.
  • Genki Girl: All of them are the most cheerful and hyperactive of the group.
  • Girlish Pigtails: The six of them sport pigatils, signifying their childish nature.
  • Having a Blast: The spheres on their skirts can serve as Time Bombs with feet which the Rinas can control at will.
  • Hyperspace Arsenal: They can sprout weapons, tools and all kinds of metal things out of nowhere, but only after eating the exact type of object they want to generate.
  • It Amused Me: The reason for most of the teasing they direct towards Wakaba. They like seeing him scared.
  • Marionette Master: The Rinas can control the spheres on their skirts as some kind of puppet-bomb hybrid which they can detonate whenever they want.
  • Meido: Their clothes have a maid-esque style.
  • Me's a Crowd: The Rinas are actually clones of Rinamu (who seems to be the "original" one). It's implied that if Rinamu dies, then all of the other Rinas will die as well.
  • Older Than They Look: All of the sisters are supposed to be around the same age, so it's safe to say that the Rinas are as old as Rin and Ritsu.
  • Pint-Sized Powerhouse: Despite their small size, they are strong enough to carry heavy metal objects around and, as demonstrated in the Opening, crush Red Bugs with them as if they were nothing.
  • Self-Duplication: Their main quirk. The original Rina was split into six different beings after an unknown event, and it seems like Rinamu, the one holding the true power, has the ability of creating more. We actually never see her creating more Rinas though.
  • Stealth Hi/Bye: The Rinas have the tendency of popping out of nowhere in the middle of any conversation, be for joining in or just listening.
  • Token Mini-Moe: While the other sisters and Wakaba look like young (or old, in the case of Ritsu) adults at most, the Rinas have the appearance of prepubescent kids. It seems like she looked older when she was a single being.
  • Troll: They like to tease Wakaba with their comments and actions, often saying that he's going to be the first to die in battle and scaring him just because they think it's funny.
  • Verbal Tic: They end most of their sentences with "na~"
  • We Have Reserves. This is actually invoked by them, casually remarking that the lost of Rinako isn't so bad as there are four more Rinas.

Voiced by: Kenji Nojima
The New Wakaba
The Old Wakaba
A mysterious young man without any memories of who he is (except his name) or how he arrived to this world. The sisters encounter him on their water tank after he's apparently flushed inside of it. Wakaba is an extremely naive and curious boy with desire to learn all about the world, the sisters and, more importantly for him, Kemurikusa.

It's later revealed that Wakaba was some kind of alien scientist with the mission of copying Earth's assets using Kemurikusa, being the captain of the ship where the series takes place. Wakaba had to sacrifice himself in an effort to stop the Red Tree using his body as fertile soil to grow a Midori tree, but was apparently resurrected by the offspring Midori tree used by the sisters. It's unknown if the new Wakaba is him being Back from the Dead or some kind of copy created by the new Midori tree, however.

  • Adorkable: From his clumsiness to his constant awe and excitement about Kemurikusa and the sisters, plus his overall sweetness, this trope fits Wakaba like a ring.
  • Ambiguous Situation: Is the new Wakaba his previous body being resurrected thanks to Midori's regenerative properties? Or is he a clone/copy created after his DNA was stored inside the tree which was latter transferred to the offspring that the sisters have been taking care of? The show certainly doesn't makes any of this clear.
  • Amnesiac Hero: He can't remember anything about his past except for his name. Since it's later revealed that this Wakaba might be just a copy of the original created by Midori, it's probably he didn't have any memories to begin with.
  • Badass Normal: He may not have any of the sisters' superpowers, but he's a pretty intelligent man who can come up with plans on the spot and use Kemurikusa to aid him in battle.
    • In fact, he may not be too normal, considering he managed to hold the leg of a Nushi barehanded in Episode 9.
  • Back from the Dead: Implied. He sacrificed himself way before the start of the anime so his body could serve as fertile soil for a Midori tree to grow and stop the Red Tree, but was apparently resurrected by the offspring of said Midori in Episode 1. However, it's also implied that this new Wakaba might be a copy rather than his past body being resurrected, so who knows?
    • The special episode implies this to be completely true for the Old Wakaba, appearing inside the alternate, not destroyed ship where Riku, Ryo and Ryoku also end up after their apparent deaths.
  • Bound and Gagged: Only bounded, but still. Wakaba stays with that vine around his torso for the first half of the season before it disappears. Well, mostly.
  • Bumbling Sidekick: He's this at the beginning. Can't do a thing, and is always annoying Rin with his curiosity, tagging along while not providing a substantial advantage. He gets better once he learns how to use the Kemurikusa.
  • Butt-Monkey: Doesn't gets a lot of respect by either Rin or the Rinas, treating him like a nuisance at first and trying to either exterminate him on suggesting that he's going to be the first to die in battle. He's also the most prone of suffering accidents while exploring the islands. He gets over this near the end.
  • Chekhov's Gun: See that vine around his torso? It's made from Midori. Rin tied Wakaba with it during the first half of the season since she didn't completely trust him, but it eventually disappeared... until the Final Battle against the Red Tree, where Wakaba would've died if not for a little piece of the vine that was stored inside his pocket, allowing the healing properties of the Green Kemurikusa to save his life.
  • Chekhov's Hobby: His interest on collecting and playing with Kemurikusa comes in handy later on the season, where Wakaba learns how to use them to their full potential and allows him to be more helpful during the main group's journey.
  • Cloning Blues: The one the sisters and the audience have grown to love is actually a blank slate copy, while the one Riri tried to rescue is in another plane of existence with no experience of the show’s main story.
  • Constantly Curious: More pronounced during the first episodes, where Wakaba would ask every five minutes what was going on around him or what those strange leaves known as Kemurikusa did. Justified, since he was completely unfamiliar with this new world.
  • Gosh Darn It to Heck!: His catchphrase, "mesa ki ni naru" could be translated to "darn interested".
  • Heroic Sacrifice: Wakaba actually sacrifices himself three times (though only one of them succeeds)
    • The first time was when Riri created the Red Tree. After failing to stop it by normal means, Wakaba sent Riri far away to the first island before using his own body to make a Midori tree grow in a final attempt of containing it. He managed to save Riri, but unfortunately it was too late to stop the Red Tree.
    • The second time was when he tried to divert the Red Tree's attention towards himself to protect Rin (who was inside a trance due to the Memory Leaf's effect). This gets him impaled by the Red Tree's roots, although he manages to survive thanks to the power of Green Kemurikusa.
    • The third time was during the Final Battle with the Red Tree, where he pushed Rin out of the way before getting crushed by its roots. He would've died if not for the piece of Midori's vine inside his pocket.
  • Human Aliens: Wakaba is an alien sent to Earth with the purpose of copying and printing the planet's cultural assets in an effort of preserving them. And of course, he looks just like any regular human.
  • Impaled with Extreme Prejudice: He gets perforated by one of the Red Tree's roots at the end of Episode 11. Fortunately, he barely managed to heal his wound with Green Kemurikusa.
  • Labcoat of Science and Medicine: His old self used to wear one, although it disappeared once he was copied/reborn. One can actually spot it in Episode 7 at the left of the Midori tree's base.
  • Last Minute Hookup: The final ten seconds of the anime go towards Rin's Love Confession for Wakaba.
  • The Load: He's this during the first third of the season, being more annoying than helpful and even slowing down the group during their journey thanks to not understanding anything around him. Once he learns how to use Kemurikusa however...
  • The Lost Lenore: He becomes this for Riri after his Heroic Sacrifice. Even after that, she still decides to go with splitting herself apart so she can do what makes her happy as Wakaba requested.
  • MacGuffin Person Reveal: The sisters' original mission was rescuing and reuniting with Wakaba after his yet unknown death. Surprise surprise, he was with them all along!
  • Multicolored Hair: His hair color is a combination of dark brown and dirty blonde.
  • The Navigator: Even though Shiro functions as the group's main guide most of the time, Wakaba is the only one who can sense the Red Tree's heat, something that comes in handy a couple of times where not even Shiro knows where to go.
  • The Needless: He doesn't needs to sleep, eat or drink that much compared to regular humans. All he eats is violet Kemurikusa.
  • Nice Guy: Probably the nicest person of the entire cast (with the possible exception of Ritsu), Wakaba is very respectful and kind towards the other girls (even if they are not) and is always looking for a reason to try to be helpful. Even when Riri basically destroyed all of his hard work and created a massive threat to the world, Wakaba was incapable of getting mad at her, knowing that she did it just so he could take a break from his stressful job.
  • Not Quite Human: He's an alien, but looks and behaves just like any regular human. The only exception being that Wakaba doesn't needs as much sleep or water as normal people, and he can tune his body using Green and violet Kemurikusa to keep functioning during large periods of work.
  • Oblivious to Love: He doesn't seems to notice Rin's obviously crush on him since the start of the series, even when he also starts developing a thing for her halfway trough the season.
  • The One Guy: He's the only male in an otherwise all-female family.
  • Really Was Born Yesterday: Be a resurrected body or a copy of the original one, this Wakaba is implied to have been born just a few days ago thanks to Midori and the Green Kemurikusa's effect.
  • The Smart Guy: He's the one making most of the plans during the group's travel around the ship, like his idea of using all of the girl's powers combined to defeat the Nushi of the Sky Bridge in Episode 4. He's also the only one with the knowledge of how to control Kemurikusa.
  • The Sleepless: He can stay awake for days without much ill effects. However, he still gets tired and is implied that this can affect his health.
  • Strong Girl, Smart Guy: He may be The Smart Guy to the sisters' Strong Girls, but this is specially pronounced when he teams up with Rin, the most capable of them.
  • Took a Level in Badass: From the second third of the season on, where he learns how to use Kemurikusa which allows him to become useful both out and inside battle.
  • Unresolved Sexual Tension: He and Rin just can't confess their feelings for each other, mainly because Rin doesn't even knows she's in love with him and Wakaba being Oblivious to Love for the most part. It's not until their entire journey ends and they finally can live happily without any worries that Rin decides to confess her feelings for him.
  • Will They or Won't They?: Rin gets infatuated with him from the first episode on and Wakaba starts developing feelings for her halfway trough the season, but neither of them say anything to each other, only blushing during their somewhat awkward interactions and staying as (mostly) friends. In the end, They Do.

It's the one doing the flex.
A sentient Kemurikusa tree born from a sprout that the sisters encountered on a wall. Now it has grown inside an old train car thanks to Ritsu's efforts and serves as their main method of transport, capable of using its branches and roots to walk with said vehicle as a body.

It's later revealed that this Midori is an offspring of the giant Midori tree which the original Wakaba used in a failed attempt of stopping the Red Tree.

  • Chekhov's Gun: Midori's vine, which was used to tie Wakaba for half of the season, comes in handy on the Final Battle, where its healing properties end up saving his life.
  • Combat Medic: Midori's Kemurikusa leaves can be used both to destroy Red Bugs and heal Wakaba of any kind of injury.
  • Healing Factor: Its leaves are capable of healing Wakaba (and only Wakaba) of any injury. Considering that Wakaba created them in his past life, it's safe to say that this was one of its intended purposes.
  • Heroic Suicide: Its core branch (basically its brain and heart) is used in the Final Battle to provide the Red Tree with the last blow necessary to defeat it. Sadly, removing it kills Midori as well. However...
  • Not Quite Dead: As a form of Wakaba. Midori is able to recreate Wakaba in a juvenile state because it grew from him and contained his construction data; the finale end card also shows Midori growing out of the period in the “Kemurikusa.” Title.
  • The Speechless: Considering that Midori is a tree, this was to be expected.

Other Characters

     The Dead Sisters 



Voiced by: Kanna Tensawa
The third of the sisters to apparently die (not counting Rinazou's death), she was the only person in the group capable of operating Kemurikusa. She obtained the sense of Touch from the First Person.


Voiced by: Yuna Mimura
The second of the sisters to apparently die, she was the main fighter of the group before dying to a Nushi. Ryo is actually the eldest of the sisters (though it's heavily implied that they share the same age). She originally had both the sense of Memory and Smell obtained from the First Person before the former was transferred to Rin.

  • The Big Girl: She used to be this for the team before perishing to a Nushi, being the strongest of the six sisters and the main fighter of the group.
  • Blood Knight: Unlike Rin, who became the main fighter out of necessity, Ryo just loved to fight for the sake of it. Better demonstrated when she and Wakaba speak for the first time, where she explains to him how she would destroy the Red Tree in a very happy and excited tone. Sadly, this is probably the reason why she died due to underestimating a Nushi.
  • Combat Stilettos: She wears a pair of heels which don't inconvenience her in any way. Curiously, she shares this characteristic with Rin, her successor as the main combatant of the group.
  • Eyes Always Shut: Unlike Rinamu who has a good reason for this happening, Ryo never opens her eyes just because. She's capable of moving and fighting just fine though.
  • Mellow Fellow: Never seen without a calm, carefree expression on her face. Her voice almost never changes its happily relaxed tone even when battling all-powerful enemies like the Red Tree.
  • Nice Girl: Not as nice as Ritsu, but Ryo doesn't mind helping Wakaba while also not threatening to kill him when they first meet (unlike every other sister bar Ritsu).
  • Pipe Pain: Her Weapon of Choice is a large metal pipe with a lace tied to it. Apparently it was eaten by Rinazou when she died, but her self inside the Memory Leaf sports the same one.


Voiced by: Akira Sekine
The first of the sister to apparently die, Ryoku was the brains of the group and the one that came with most of the plans. She was the only one with the ability to write and read, and also the one that obtained the sense of Sight from the First Person.

  • Combat Tentacles: Weirdly, parts of her hair can transform into some kind of tentacles capable of launching attacks.
  • He Knows Too Much: Played for Laughs. When Wakaba reveals that not only he can read, but also took a look at Ryoku's diary, she says that she has no other option than kill him. She gets over this pretty quickly though.
  • Jerkass: Unlike the other sister which are nice to a degree, Ryoku tends to be very rude at first sight.
    • Jerk with a Heart of Gold: However, once she opens to Wakaba, she is shown to be quite nice and helpful. Of course this doesn't stops her from still throwing jabs from time to time.
  • Meganekko: Signifying her sense of Sight and intelligence.
  • Prehensile Hair: She can move her hair at will to attack her enemies.
  • The Smart Girl: Easily the smartest Sister of the family before her death. She was the most knowledgeable about the world they're in and the only one capable of reading and writing.

     The First Person / Riri 
Voiced by: Mikako Komatsu
An orphan child which the original Wakaba apparently resurrected by accident using Kemurikusa. She's very curious and enthusiastic about it, but would rather prefer to spend her time playing with Wakaba, who in return is always busy with his construction workload. For this reason she decides to create a new Kemurikusa capable of consuming all of the inventory so Wakaba doesn't has to work anymore, but this backfires horribly...

She's the original form of all the sisters, splitting herself apart using a new Kemurikusa combination in an effort to save Wakaba's life after she inadvertently creates a threat to the world.

  • Back from the Dead: According to the old Wakaba, he was able to resurrect her using Kemurikusa after finding her inside a lake. However, it's implied that she might be a copy rather than a dead body being revived.
  • Brainy Brunette: She has dark hair and, as detailed in Child Prodigy below, is very intelligent and knowledgeable about Kemurikusa.
  • Child Prodigy: She's incredibly smart for her age, knowing as much about Kemurikusa as the adult Wakaba and even learning how to make different Kemurikusa combinations with different effects. Too bad this leads to Riri creating a Kemurikusa capable of destroying the world.
  • Literal Split Personality: The sisters are the result of Riri splitting her existence into six pieces in an effort so save Wakaba after his Heroic Sacrifice. Even after learning that this was All for Nothing, she still decided to go with the plan so her personalities could live together happily just like Wakaba wanted Riri to do.
  • My God, What Have I Done?: Her reaction upon learning that her Kemurikusa experiment created an enormous threat which not even Wakaba is capable of putting an stop at.
  • Nice Girl: She's just a little kid who wants to play with Wakaba and help him whenever he needs.
  • Precocious Crush: Despite being a child, she obviously has feelings for the adult Wakaba. This may be the reason why Rin, the one holding the Memory Leaf containing all of her memories, falls in love with him.
  • Unwitting Instigator of Doom: Why is everything on this world so damn wrong? Because she accidentally made it that way.
  • When You Coming Home, Dad?: According to her, her parents died from overworking and she fears that the same could happen to Wakaba, who is always tired and in need of sleep. It's the main reason why she created the Red Kemurikusa.

Voiced by: Mikako Komatsu

Small, Roomba-like robots with unknown purposes for most of the story. One of them starts following Wakaba in Episode 5 and becomes part of the main group for the remaining part of the season.

The Shiros are, in fact, the pre-infection forms of the Red Bugs, being capable of combining themselves into bigger and more powerful robots. Later on the season, it's revealed that the Shiros were part of the ship's crew employed by the original Wakaba on his mission of copying Earth with Kemurikusa, but were abandoned and left with nothing to do after Wakaba's death and the Red Tree's takeover.

  • Expy: People were quick to note the Shiros' similarities with the Lucky Beasts, being small, helpful robots who serve as guides for the main group thanks to their knowledge of the world they're in. These similarities were proven further with the revelation that the Shiros used to be workers of the ship, just like Lucky Beasts are workers of Japari Park.
    • The robots with screens are called Nushis by the original Wakaba. Nushi is an archaic word in Japanese meaning "leader" - compare to Lucky Beasts' nickname "Boss".
  • Helpful Mook: Not exactly Mooks since they haven't been infected by the red fog, but it still applies. The Shiro who is always following Wakaba serves as their guide during most of the season, giving helpful insights about the world they're in and providing the main group with maps of the Islands which are useful for traveling while evading the Red Tree's harmful roots.
  • Heroic Sacrifice: The Shiros encountered Episode 8 who, after combining into a Humongous Mecha, use their last bits of strength by destroying one of the Red Tree's roots which was blocking the path, allowing them to do one last task before perishing.
  • Humongous Mecha: The Shiros can combine themselves into bigger, more powerful robots with incredible abilities and endurance. Useful when they're trying to help the main group, but when they get infected by the red fog...
    • The Shiro with a screen can return to his combat form.
  • Native Guide: They seem to be the only ones who know what's going on around them while also having vast knowledge about the Islands and the ship, hence why the Shiro following Wakaba becomes their main guide for a large part of the season.
  • Robot Buddy: One of them follows Wakaba (and by extension the sisters) for most of the series.
  • The Speechless: The Shiros are incapable of speaking, only emitting small, robot-like "bips" and writing words and emoticons on their screens (which only Wakaba can read).


     The Red Tree 
Voiced by: Omoto Tatsuki
The Red Tree
The Core Branch

A massive, sentient Kemurikusa born after Riri combined some of them in an attempt to stop Wakaba from overworking. Now it's out of control and ready to destroy all Kemurikusa and Kemurikusa-based lifeforms which, unfortunately, includes the sisters.

  • Ambiguously Evil: While it's safe to say that the Red Tree is very dangerous, whether it's evil or not is up to interpretation. After all, Riri specifically created it as a weapon against other Kemurikusa, so isn't like it has gone rogue or is doing anything beyond its purpose. On the other hand, its infection of other machines and destruction of the ship (something it was not programmed to do) leaves unclear if this thing is truly malicious.
  • Attack Its Weak Point: The only way to kill the Red Tree without allowing its Healing Factor capacities to kick in is directly destroying its core branch, deep inside its main body.
  • Attack of the 50-Foot Whatever: See that big thing besides the skyscraper? That's just its core branch. The real tree is so humongous it reaches as high as the clouds.
  • Big Bad: Everything wrong going on inside the ship, from the red fog and the Bugs it produces to the water scarcity and overall destruction of the structures around the islands, is all because of this thing, hence why destroying it becomes the main objective of the group from the moment they discover its existence.
  • Blue-and-Orange Morality: Unclear as its true intentions are, the Red Tree was given the purpose of eradicating all Kemurikusa and Kemurikusa-based lifeforms on the planet, and that's exactly what it's doing, even if its methods are extremely dangerous to the sisters.
  • Creator Cameo: Its groans are sampled from an earlier project by Tatsuki; the flail was fashioned after Huiumetsu, Tatsuki’s character there.
  • Deadly Gas: It's capable of producing a very toxic and corrosive fog to other Kemurikusa. Towards machines? It converts them into Red Bugs.
  • Diagonal Cut: The core branch is defeated this way after Rin slices it in a half using Midori's own core.
  • Disappears into Light: While the Tree ends up shrinking and collapsing after it's killed, the core branch disintegrates into hundreds of leaf particles, just like the sisters when they die.
  • Energy Weapon: The core branch sports a laser beam on its left hand.
  • Epic Flail: Its core branch has a spherical mace with an ACSII face on its right hand.
  • Evil Sounds Deep: Not exactly evil, but the Red Tree's core can be heard emitting moans and growls with a very deep, unsettling "voice". It’s how Tatsuki sounds like after modulation.
  • Final Boss: After all the Red Bugs, red fog and lack of resources that Rin, Wakaba and the other sisters face, the Red Tree itself is the final obstacle they have to overcome in order to finally achieve their happy ending.
  • Half the Core It Used to Be: Its fate, courtesy of Rin and Midori's own core.
  • Healing Factor: No matter how much its roots and branches are cut or destroyed, the Red Tree can regenerate them instantly.
  • Mook Maker: One of the main purposes of the red fog it produces is infecting machines to convert them into Red Bugs. It also seems like its roots are capable of storing (or even creating) Red Bugs to use them as a self-defense method if it's being attacked.
  • Poison Is Corrosive: Its red fog is both very toxic and corrosive towards Kemurikusa.
  • Poisonous Person: One of its abilities is emitting a very poisonous fog.
  • Shielded Core Boss: The core branch is protected by a barrier similar to the ones the old Wakaba used to try to contain it in the past.
  • Spikes of Villainy: The core branch's body is covered in pointy spikes.
  • The Virus: Its red fog, apart from being highly toxic and corrosive to other Kemurikusa, has the ability of infecting machines and mechanical lifeforms to serve it on its quest of destroying the world.

     Red Bugs
This is just one of their many forms.
Mechanical lifeforms that have been infected by the red fog. They act as the main enemies the group face during their travel.

  • Astonishingly Appropriate Appearance: Most of them have the appearance of real bugs like worms, centipedes or cockroaches.
  • Energy Weapon: The Nushi Centipede on the bridge has the ability of ejecting a massive laser beam from its head capable of melting steel.
  • Flight: The Beetle-like Bugs have the ability to fly and charge at great speed, making them harder to hit and avoid.
  • Hero Killer: If a sister has died, it's because of them. We actually see one of them killing a Rina at the start of the first episode.
  • Mooks: Most episodes have the sisters (and Wakaba) fighting a group of them during their adventure.
    • Elite Mooks: The Nushis, massive Red Bugs with special abilities which are harder to defeat. Both times the main group encounters one, a complex strategy is required to defeat them.
  • Tron Lines: All of the Red Bugs sport these on their bodies.
  • Wall Crawl: More like Wall Surfing. The Nushi from Episode 9 has the property of sliding along the barrier that connects to the next island.

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