Iihiko Shishime

“	The damage that Iihiko deals to the world doesn't heal at all.	„
	~ Shiranui Hansode talking about Iihiko

Background

Iihiko Shishime was the first man Najimi Ajimu could not defeat, and whose legend has been passed down for five thousand years within the Shiranui Village. Iihiko is the chief antagonist of the Unknown Shiranui Arc.

This dropdown contains the synopsis of Iihiko Shishime’s story. Read at your own risk as you may be spoiled otherwise!

History Five thousand years ago, Iihiko was a legendary, almost fairy tale-like, hero. He loved his land, comrades, and women like any other hero. Later, Iihiko became the first man Ajimu could not win against. In trying to attain a certain goal, Ajimu fought and lost against Iihiko at least one hundred million times, despite using all her skills and being aided by other Not Equals she had created. Eventually, Iihiko was sealed within the Shiranui Village some point after Ajimu began avoiding him. The Shiranui preserved Iihiko's legend by having a double take his place when he died; this cycle has continued up to the present day. Over the course of his five thousand years in the Shiranui Village, Iihiko defeated every new "main character" that appeared each millennium: four thousand years ago, a brave young man, three thousand years ago, a kind tactician, two thousand years ago, a cunning witch, and one thousand years ago, a dual-sword wielding thief. Unknown Shiranui Arc Iihiko uses Obi's body to break into the room where Shiranui is talking with her friends, sending the girl flying into a wall in the process. Though bloodied and being dragged around by her leg, Obi smilingly tells Iihiko to entertain their guests. Iihiko cackles in delight at seeing Ajimu again after five thousand years. When Zenkichi lands a blow on Iihiko, Iihiko finds it no more than an itch. Mistaking Zenkichi for a mosquito, Iihiko crushes Zenkichi with his palm. Seeing Zenkichi has survived, Iihiko realizes Zenkichi is a human being, and lauds his "strategy" of pretending to be a mosquito. He then swings Obi's body around again, knocking aside Misogi Kumagawa before the boy can attack him with his screws. Noticing Medaka is the only one not to attack mindlessly, Iihiko asks Ajimu if the other girl is her favorite. Iihiko remains smiling as Ajimu explains their shared past, but is surprised when Medaka creates four clones of herself to evacuate everyone in the room, rescuing Obi from his grip as well. Impressed, Iihiko explains he has prepared another weapon to fight Ajimu: a rubber band. Changing his tone, Iihiko tells Ajimu he has grown bored with fighting her, and offers to let her live if she captures the group that has just escaped. At Ajimu's refusal, Iihiko uses the rubber band to blow her body in half. Iihiko beats Medaka to Ajimu's jeep, and taunts her with Ajimu's severed hair. Iihiko tells Medaka that, rather than trying to use automobiles, running would have been faster. He easily bypasses Medaka's Kurokami Phantom, and reaches for Zenkichi. Iihiko reveals he intends to use Zenkichi's glasses to defeat Medaka, and bends the frame to fit around his fist. He delivers a crippling blow to Medaka's arm, and is impressed when she manages to wrap herself around his own arm even so. He is less impressed when she lets go, her arm not having healed as she expected. Hearing that there is someone else at Hakoniwa Academy who specializes in destruction, Iihiko expresses his desire to someday fight such a person. He then breaks Medaka's torso, and begins brutally beating her. Iihiko is surprised when Medaka stops his assault with her good arm. Hearing her declaration to defeat him, Iihiko demands to know how, and prepares to finish her. He is interrupted however by a wave of electricity. Iihiko is initially unimpressed by the arrival of Oudo Miyakonojou, but laughs out loud when he sees Oudo has brought others with him. His laughter is interrupted however by an attack from Shigusa Takachiho. Before Iihiko can respond, he is cut by several of Kei Munakata's blades. He is then attacked once more by Itami Koga, before being struck with a massive wave of electricity from both Oudo and Mizou Yukuhashi. Iihiko drops to the ground, but rises almost immediately, brushing off the attacks. Despite his jocular attitude, Iihiko is genuinely annoyed by the frontal attacks; Oudo offers an attack from the side, and Iihiko is knocked off the mountain by an armored truck. Iihiko catches Shiranui as she falls, reminding her that her body is precious to him as well. He then asks for Medaka's name, expressing his belief that the two of them will cross paths once again. After Iihiko realizes Fukurou Tsurubami does not want Shiranui as a double, he leaves the Shiranui Village to collect her, beating Obi and several doubles in the process. Iihiko crashes into the ruins of Hakoniwa General Hospital, inadvertently killing Fukurou in the process. After calling out for his enemy, he only just notices that he has landed on someone. Not finding anyone challenging him, he tells Shiranui they are going back to the village. He is amused when Zenkichi, Kumagawa, and Namanie Nienami move to protect her, but is stopped from attacking by the arrival of Medaka. Iihiko is delighted by Medaka's appearance. He grows impatient as she talks to her friends, and moves forward, only for Medaka to punch him before he can make his own attack. Iihiko notes that Medaka has improved; as he recognizes her punch however, the attack "breaks" as Iihiko defends himself. Hearing Medaka's demand that he give up on Shiranui if her next attack is successful, Iihiko asks if she will give up on Shiranui if she fails. When Medaka answers in the negative, Iihiko is amused. Medaka charges forward with her Kurokami Phantom; however, the attack fails, and Medaka collapses. Iihiko explains that he reflected her strongest attack back on her; Medaka's heart will never beat again. Iihiko expresses his disappointment that Medaka was merely a modern girl after all. As Zenkichi begs Medaka to wake up, Iihiko tells him to stop. He recognizes that Medaka fought well, and insists she be left to rest in peace. He is amazed when Medaka regains consciousness and rises to her feet, sure that her heart had stopped beating. Though he chuckles at Medaka's bravo, he is confused as she prepares a "fresh" attack. Iihiko watches Medaka as she charges at him again. However, he is not impressed. Though he recognizes Medaka's charge is both stronger and faster than her previous attack, that is all that has changed. As Medaka approaches, Iihiko regrets that this girl will perish just like the many strong foes he fought before. He is startled however to find that the Medaka he was watching was just a clone, and that the real Medaka was behind. As Medaka prepares to make contact however, Iihiko dodges the hit. Iihiko laughs, assured of his victory, but is hit by Medaka from behind. Medaka explains her attack, and Iihiko smiles, commending her on her freshness as he falls. Though Medaka declares the battle a draw, Iihiko somehow possesses Shiranui's body, and stabs Medaka through the stomach with his hand. Iihiko calls his victory, and is happy that his new body is so fresh. Laughing, Iihiko decides to test out his new body, destroying the hospital. He is surprised to see Medaka managed to save her friends, but easily stops her second Kurokami Final. Congratulating her on her performance, Iihiko makes to leave, but is stopped by Medaka. Deciding to break her spirit, he attacks her friends. Medaka still refuses to let him go however, and a furious Iihiko begins beating her. Stopped once more, Iihiko angrily demands to know who his new opponent is. Iihiko fights with Nienami, who is actually Kakegae Yuzuriha using her style. Iihiko eventually knocks Yuzuriha back with a blow to the shoulder. Iihiko stares down Zenkichi before attacking him. Zenkichi manages to dodge Iihiko's attacks, much to the former hero's increasing ire. As Zenkichi begins launching kicks, Iihiko dodges. Iihiko manages to land an attack, blowing Zenkichi's arm off; however, Zenkichi uses the opportunity to counter. Iihiko switches out with Shiranui for a split-second, forcing Zenkichi to stop his attack. Iihiko prepares to finish Zenkichi, but finds himself unable to move. Zenkichi reveals that his plan was always to bring Shiranui back in control. As Iihiko finds his fist pointed at himself, Zenkichi asks the Irreversible Destroyer what will happen if he is hit with his own irreversible damage. A panicked Iihiko tells Shiranui that he is too rare of an existence to destroy. Shiranui pays him no heed however, and punches him in the face, destroying Iihiko's spirit. Iihiko's previous body is seen among the ruins. As Medaka begins to tremble at the thought of stopping the moon, Iihiko rises to calm her down. Admitting he is merely an echo of his former self, Iihiko advises Medaka to look to the sky and remember her life. At the same time as the Hakoniwa Academy graduation ceremony, Iihiko is seen eating in the Shiranui Village with Hanten and Obi. Iihiko notes that Ajimu might sooner or later come back, since his destruction is now reversible. When Obi decides to close down Shiranui Village, Iihiko says that originally, humans did not need a spare to talk, interact, and transmit their words to express their feelings to each other. Bouquet Toss To The Future Arc Iihiko is one of the guests Zenkichi calls to Hakoniwa Academy to fight Medaka as part of the 100 Flowers Run. Iihiko confronts Medaka at Hakoniwa Academy as part of the 100 Flowers Run, along with the members of the Shiranui family. Medaka defeats Iihiko with her Altered God Mode. His message to Medaka is to stay fresh. Epilogue Arc Ten years later, Iihiko works in the now public Shiranui Village.

General Information

Name: Iihiko Shishime

Origin: Medaka Box

Sex: Male

Age: Over 5000 years old (Noted to have been 5000 years since he last met Najimi Ajimu during the Unknown Shiranui Arc)

Classification: Former Hero

Species: Human

Occupation: None

Status: Alive

Alignment: Initially Lawful Good (Was initially a brave hero that protected his land and was a shield to his people, punishing evil and saving the weak), Chaotic Evil during the Unknown Shiranui Arc (After 5000 years there is no more land to protect and the women for him to love, with him turning to a violent wild being of destruction), Lawful Good at the end of the Unknown Shiranui Arc (The previous Iihiko was defeated and all that remained was an echo that regained back his humanity)

Codex Statistics

Keys: Regular Body | Possessing Hansode Shiranui | Echo

Tier: At least High 8-C, likely Higher | 5-C | 5-C

Dimensionality: 3-D

Attack Potency: At least Large Building level, likely Higher (Easily overpowered and beat Medaka Kurokami, killed Najimi Ajimu) | Moon level (Became far more powerful in this form, easily stopped an attack from Unknown Shiranui Arc Medaka Kurokami, who destroyed the moon) | Moon level (Fought against Bouquet Toss to the Future Arc Medaka Kurokami)

Durability: At least Large Building level, likely Higher | Moon level | Moon level

Striking Strength: At least Large Building Class, likely Higher | Moon Class | Moon Class

Lifting Strength: Class M (Far more powerful then Perses Mode Medaka) | Class M | Class M

Travel Speed: At least Hypersonic (Should be comparable in travel speed to Medaka Kurokami, who moved so fast she stole all of their cigarettes before a group of eight men could react, which gives these results and could hop at mach 2. Traveled kilometers to another location in a short timeframe) | At least Hypersonic | At least Hypersonic

Combat Speed: Faster Than Light | Faster Than Light | Faster Than Light

Reaction Speed: Faster Than Light (Viewed Medaka Kurokami's Kurokami Phantom as moving slow) | Faster Than Light | Faster Than Light

Stamina: Superhuman+ (Has been alive for over 5000 years)

Range: Standard Melee Range, Several Meters with Rubber Band, Higher with Weaponized Air

Intelligence: Genius (Can distinguish the most effective weapon for the given situation and is able to use them with almost perfect skill, as demonstrated when he was able to match Medaka in close combat with just a pair of glasses. Is it likely this is due to him having more than 5000 years of combat experience)

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Powers and Abilities

Superhuman Physical Characteristics, Weapon Mastery (Shown to be skilled with weapons in his backstory. Able to use any object as a weapon such as a rubber band), Immortality (Reliance [On Concept]; Iihiko has lived for so long due to losing everything to the point that there was nothing left but to keep living), Attack Reflection (Can reflect back attacks done to him), Destruction, Irreversible Damage & Durability Negation (Conceptual Destruction; Any damage that Iihiko deals never heals, smashed things remain smashed, broken things remained broken, torn things remain torn, destroyed things remain destroyed, those who he kill can never return to life and those who can heal no matter the application cannot heal), Power Nullification & Subjective Reality (All abnormal and minus skills do not work on Iihiko as he does not acknowledge them. Nullified all of Najimi Ajimu's abilities, cutting her in half with a rubber band), Reactive Adaptation (Even if an attack has affected him, if he survives it the same attack cannot be used on him twice), Plot Manipulation (Plot Armor; Iihiko is of a similar existence to Medaka Kurokami, being "the protagonist", where Ajimu notes that she cannot win against Medaka due to her being the protagonist, or "The Hero", someone that comes once every 1000 years, where Medaka cannot lose because she is The Hero), Possession (Iihiko can possess others bodies). Resistance to Power Mimicry (Medaka cannot use The End to mimic Iihiko's abilities or strength)

Possessed Hansode Shiranui, which should give him all of her abilities, giving him: Superhuman Physical Characteristics, Genius Intelligence, Weapon Mastery (Can use various small weapons in combat), Social Influencing (Minus users hearts and personalities make it hard for one without strong mental strength to fight against them with their very hearts being affected or them being unwilling to fight them. Misogi as a minus user with his mere words can shatter 600 hearts at once while he's holding back), Statistics Amplification (With Giant Eating, gets stronger based on eating strong opponents), Curtain Fire & Homing Attack (With Giant Eating, can cause multiple of her weapons to home in on the target all at once), Supernatural Luck (Minuses have the opposite luck to abnormalities can function in low probabilities such as one in one million, doing it everyday, functioning under bad luck), Consumption (Conceptual Consumption) & Power Modification (With Real Eater, a skill that allows her to eat and change the powers and abilities of someone into something else), Law Manipulation & Power Nullification (Abilities modified by her Real Eater cannot be used against her). Resistance to Information Analysis (Minus users cannot be analyzed), Power Nullification (Minus abilities cannot be sealed by the likes of normalize liquid which can nullify and remove abnormals abilities. Skills that erase abilities like All Fiction, can't completely erase minuses)

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Standard Equipment

• Rubber Band: A weapon used by Iihiko to cut Ajimu in half.

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Notable Techniques

Ignornace Skill: Iihiko shrugged off an attack from Zenkichi as nothing more than an itch. He was also left unscathed by the combined efforts of five Abnormals, even though he claimed his body was weakened at the time. Iihiko is unaffected by both Abnormalities and Minuses; rather, he seems not to notice when skills are used against him. After Iihiko sees an attack once, it will not work against him a second time, as he will no longer recognize it as an attack.

Irreversible Destruction: Any damage Iihiko deals to the world does not heal; Shiranui states he was a man born to destroy the world. Whether natural or skill based, Iihiko's actions cannot be recovered from. This ability seems to negate even Kumagawa's All Fiction. However, the true horror of this ability manifests itself in Iihiko's defense; the stronger an attack used against him, the further the attack itself will be "broken", and never return to normal. However, if Iihiko is defeated, then the damage will become reparable; in this way, Iihiko's irreversible destruction functions on the same principles as a style.

Shiranui Possession: Because he is a spirit, Iihiko's consciousness is transferred into a new double from the Shiranui Household each time he "dies". These doubles are usually prepared over a course of several years to become Iihiko's new body. However, Iihiko can transfer his consciousness into his next host immediately as long as they are nearby. Iihiko considers this an emergency escape plan; it can be done even if the body has not yet been fully prepared for his spirit.

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Other

Standard Tactics: Iihiko will go for regular punch based attacks that will not be able to heal, along with ignoring any attacks done back to him.

Weaknesses: If he is defeated, his irreversible damage becomes reversible.

Trivia

• His epithet, the Irreversible Destroyer, in Japanese is 不可逆のデストロイヤー (Fukagyaku no Desutoroiyā).
• His second epithet, Echo of a Hero, in Japanese is 英雄の残響 (Eiyū no Zankyō).

Battle Records

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