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Fanfic / I Don't Want to Get Hurt, so I'll Become the Ultimate Defensive Hero

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The world has seen a great many powerful Heroes: All Might, Endeavor, Best Jeanist, Mirko, the list goes on. However, none have ever been-or ever would be-more or a monster than the deadliest Hero ever to be born: a cute little girl named Maple.


I Don't Want to Get Hurt, so I'll Become the Ultimate Defensive Hero is a crossover fanfiction, between My Hero Academia and BOFURI: I Don't Want to Get Hurt, so I'll Max Out My Defense. It is written by FoxOnPie who also wrote Neither a Bird nor a Plane, it's Deku!.

Alternate links for Fanfiction.Net and Archive of Our Own.

I Don't Want to Get Hurt, so I'll Become the Ultimate Defensive Hero provides examples of:

  • Ability Mixing: Kaede's quirk allows her to combine two quirks she has obtained into a new ability. Although this comes at the expense of losing the quirks following the combination.
  • Adaptational Badass: All of the BOFURI characters are this by virtue of having Quirks instead of being normal humans.
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  • Adaptational Curves: Velvet was never noted to be particularly muscular, but as Raiden, she's apparently very buff.
  • Adaptational Early Appearance: Kyudai Garaki, Kurogiri, and Crust all show up in chapter one, Himiko, Gentle and La Brava in chapter two, Nedzu, Hawks, Hound Dog, and Mummy in chapter three, and Present Mic, Todoroki, Inasa and Power Loader in chapter five.
  • Adaptational Species Change: Syrup and Oboro are not artificial creatures from a video game and are full-blooded animals that have Quirks due to experimentation.
    • Honey Trap is a human instead of an Antinoid.
  • Adaptational Superpower Change: In BOFURI, Devour's power is to convert anything that makes contact with Maple's shield into MP. Here, Devour allows Kaede to copy the Quirk of anyone who touches her shield, and even combine her copied Quirks into new ones.
  • Always Someone Better: Not pleased at being upstaged by Kaede, Kasumi challenges her to a duel.
  • Ambiguous Disorder: Kaede has an extreme revulsion to the idea of pain to the point that she claims to have traumatophobia. While the story always makes a point of how she was never officially diagnosed with anything, the way she reacts to the mere idea of pain is still abnormal.
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  • Back from the Dead: After Kurogiri's arrest, the government was somehow able to get rid of him and bring back Shirakumo.
  • Big Eater: Isuzu is constantly eating food, and her appetite is the reason why Maple Tree Industries accepts food as payment.
  • Blade Spam: How Kasumi fights with her Quirk.
  • Broken Ace: Kasumi shows some signs of this in her introduction, as her obsession with being the best at everything comes from a fear of being shunned by her family for not being perfect at something. She gets better about it after befriending Kaede, though.
    • Hououin is an incredibly competent Hero in training, but the second something upsets her, she bursts into tears.
  • But for Me, It Was Tuesday: In chapter six, Bakugou remembers Kaede using her Quirk on him a decade prior, but Kaede's used her Quirk on so many people that she simply doesn't remember him.
  • Calling Your Attacks: Kaede has to say the name of a Quirk in her inventory to activate it, initially. After that, though, she can use them without saying anything, just like a normal Quirk.
  • Catgirl: Frederica is a bakeneko-variant of one in this story.
  • Character Exaggeration: Mii's charismatic personality is exaggerated to make her into a full-blown Chuunibyou.
    • Kaede's aversion to pain is also exaggerated to the point of Ambiguous Disorder.
    • Velvet, as Raiden, and Hinata are respectively more hot-blooded and shy than their original selves were.
  • Chuunibyou: Kyouma Hououin, at least until something upsets her.
  • Clingy Jealous Girl: Risa gets like this in chapter four when Kaede starts going on about how big Kasumi's breasts are in an attempt to cheer her up.
  • Comically Lopsided Rivalry: Kyouma Hououin really seems to jump on the opportunity to become a serious rival with Kaede with big hammy speeches delivered to her pretty much out nowhere when they literally just met, and Kaede simply asking who she is and at worst getting a little annoyed, never taking her seriously and thinking she is simply weird. If Todoroki’s interaction is anything to go by, it pretty frequent behavior for her.
  • Covert Pervert: Hayate's profile says that she wishes her costume exposed more skin, but she's too embarrassed to say anything about it.
  • Crossover: In addition to the main crossover, the story is also a minor one to Hero San And Former General San, with Hayate and Honey being reworked into Kaede's cousins.
  • Death of Personality: Kurogiri is essentially dead as a result of Shirakumo being brought back to life.
  • Everyone Can See It: Nearly everyone can tell that Risa has feelings for Kaede except for Midoriya and Kaede, herself.
  • Finishing Each Other's Sentences: Mai and Yui engage in a bit of this, though they note that they don't usually do that.
  • Forgotten First Meeting: Bakugou was one of the first people Kaede tested Devour on, but by the time they meet up again at U.A., Kaede has used her Quirk on so many people that she simply can't remember him.
  • Fortune Teller: To get more quirks legitimately since she's forbidden to do her old way, Kaede, Risa, and Isuzu set up Maple Tree Industries, where they tell couples what their future child's abilities will be like.
  • For Want of a Nail:
    • Due to Kaede's interference, Doctor Kyudai Garaki's criminal actions are exposed, forcing him to flee.
    • Himiko is able to receive help for her mental issues before she would have fallen off the deep end.
    • Shirakumo is alive and later becomes the Number Fourth Hero and a teacher at U.A. High School.
  • Gadgeteer Genius: Isuzu is an inventor and eventually enters U.A. through the Support Course.
  • Glacier Waif: Kaede, just like in the source material.
  • Good Counterpart: Kaede is one to All for One, as she's has a Quirk that lets her use multiple Quirks and is regarded as one of the strongest people around. Their abilities also contrast each other, AfO can steal and transfer Quirks and has no Limited Move Arsenal, but very limited Ability Mixing (it does exist otherwise One for All wouldn't exist it pales in comparison to Devour). Devour can acquire Quirks without outright stealing them and can also fuse them to create more possible abilities and the more Quirks she acquires Maple becomes even more invulnerable yet she is limited to a maximum of ten Quirks at a time, loses the original Quirks after fusing them and unless it evolves further Maple cannot transfer her created Quirks. In fact, the Hero Public Safety Commission's Board of Directors is rather paranoid that she could turn out to be the next All For One, despite Hawks pointing out repeatedly that she's a Nice Girl who would never become a villain, and that they're wasting their time and resources monitoring her.
  • Hidden Depths: The swords Kasumi creates with her Quirk glow purple if she has an attachment to them, and except for Yukari, all the swords that glow purple are replicas of historical and mythological weapons, implying Kasumi to be something of a history buff.
    • Kaede is apparently skilled in card games and videogames. She also seems to be a bit of a Nightmare Fetishist, as she thinks that Hinata's creepy dolls actually look cool.
  • Has a Type: Kaede has a thing for muscular girls with long hair and good legs. All of which describes Risa.
  • Horned Humanoid: Kasumi has a pair of large, trapezoidal horns sticking out of her head.
  • Hot-Blooded: Raiden has a very boisterous personality.
  • Incredible Shrinking Man: When Kasumi overuses her Quirk, she spontaneously shrinks down to the size of a small child and is stuck like that for a few minutes.
  • Involuntary Shapeshifting: If Kaede uses a Quirk of her own creation, it'll sometimes cause her body to mutate as it would if she were born with that Quirk. When Kaede used Wooly in chapter five, the side-effect of it turned her into a sheep variant of a Beast Man.
  • It Amused Me: Isuzu first became friends with Kaede because she thought it would be fun to see all the different things she could do with her Quirk.
  • Japanese Delinquents: Raiden gives off this vibe, even going so far as to lengthen her skirt and wear her jacket over her shoulders.
  • Limited Move Arsenal: Devour can only use a maximum of ten Quirks at a time, and once the limit is reached, Kaede can't add new Quirks from her inventory until she sleeps for at least one hour, although it's not a problem if a new Quirk is copied after she makes room by creating a Quirk.
  • Loophole Abuse: Kaede and Risa are able to get away with registering Syrup and Oboro as support items because there's technically no rule saying that animals can't be registered.
    • Later, during the practical exam, Tamura deliberately attacks Risa, but because her attack was technically aimed at a robot and not her, she didn't get in trouble for it.
  • Marionette Master: Hinata's Quirk lets her bring her dolls to life and perform various actions with them.
  • Mythology Gag: Hououin's Quirk being called Ifrit is likely a reference to how the kanji used for the "Flame Emperors" guild is sometimes translated to "Ifrit's Kingdom".
  • Named by the Adaptation: All of the BOFURI characters are given names except for Maple and Sally, who were the only ones ever shown in real life, and Syrup and Oboro, who are just animals:
    • Iz: Isuzu Haganeno
    • Kasumi: Kasumi Kensei
    • Mai and Yui: Mai and Yui Kinniku
    • Chrome: Chumon
    • Mii: Kyouma Hououin
    • Shin: Shin Bunretsu
    • Frederica: Tamura
    • Velvet: Torako Raiden
    • Hinata: Hinata Karakuri
  • Nice Girl: Anyone who has personally meet or knows Kaede can instantly tell that she's sweet as a rabbit. Hawks is exasperated that the Hero Public Safety Commission board of Directors think that Kaede would turn into a villain.
  • No-Sell: Poor Himiko is a victim of this after she repeatedly tried to stab Kaede to no effect.
  • Overshadowed by Awesome: Kaminari's Shock and Awe powers are completely eclipsed by Raiden's, something he's completely aware of.
  • Playing with Fire: Hououin's Quirk, Ifrit, gives her a form of pyrokinesis.
  • Pointy Ears: Hououin has these.
  • Reality Ensues: Without a provisional license, Kaede is technically breaking the law whenever she sets up her business for getting more Quirks and has to stop whenever a police officer tells her to, but she's only ever given a small warning about it.
  • Shock and Awe: Raiden's Quirk appears to give her incredible electrical powers.
  • Shout-Out:
  • Spanner in the Works: While it didn't directly happen yet, Maple is unknowingly one to All for One just by having a quirk that is similar to his own without knowing his existence.
  • Spared By Adaptation: Oboro Shirakumo is still alive, unlike his canon counterpart, having been resurrected from Kurogiri after he was captured in a failed attempt to capture Maple for All For One.
  • Spontaneous Weapon Creation:
    • Kaede's father can make knives with his Quirk.
    • Kasumi's Quirk, Infinite Creation of Swords, allows her to create swords out of thin air.
  • Super Toughness: One aspect of Devour is that the more Quirks Kaede has copied, the more her overall defense increases. Chapter two shows that she became impervious to knives by the time she was eleven or twelve, and as of current events, she has three or four hundred Quirks, so there's no telling how far it's progressed.
  • Teen Superspy: This is what the general public thinks Shirakumo was, as the story used to cover up his resurrection is that he had to fake his death after he was recruited to Interpol.
  • Troll: Tamura, who spent chapter five messing with Risa just because she thought it would be fun to make her mad.
  • Unflattering ID Photo: Whenever the group in the Hero Public Safety Commission that is paranoidly observing Kaede to make sure that she doesn't become the next All For One has a meeting about her, they apparently always use a photo of her sneezing.
  • Willfully Weak: Implied with Kasumi, as the narration explicitly states that the swords she creates are reverse blades, i.e. swords that have the cutting edge away from the opponent.
  • Yandere: Himiko Toga. She tries to attack Kaede except none of her attacks phases her.


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