Summary
- The easiest way to trigger Koichi’s anger is to insult his All Might hoodie.
- Koichi defends his All Might hoodie fiercely without fail.
- Koichi believes his hoodie is cool, despite criticism.
Title suggestion: In the vein of its title, My Hero Academia: Vigilantes revolves around individuals who take justice into their own hands, operating outside the legal system. At the core of this spin-off from My Hero Academia is Koichi Haimawari, a former aspiring hero turned vigilante, known for his gentle, thoughtful, and relaxed demeanor. However, despite appearing calm, Koichi’s emotions can abruptly shift from tranquil to enraged over the most unforeseen events in the series.
In the anime “My Hero Academia: Vigilantes”, Koichi is often seen in an All Might hoodie, earning him the titles of “Mr. Nice Guy” or “Mr. Kind Man” among the public. However, beneath this gentle exterior lies a man with a quick temper, one that flares up easily and humorously. This isn’t because Koichi is simple-minded, but rather, he takes things personally. It’s not about villains or societal issues, but his hoodie, specifically the All Might hoodie, that sets him off.
This article contains spoilers from the My Hero Academia: Vigilantes manga.
Koichi Haimawari’s Short Fuse
The All Might Hoodie Triggers Koichi’s Temper
- He can’t forgive anyone who badmouths his hoodie.
- He thinks his hoodie is cool and not lame.
Instead of the pro heroes who sport striking and trendy outfits, Koichi opts for just an All Might jacket, which sometimes invites teasing from both adversaries and allies. Despite Koichi valuing his hoodie highly, others perceive him as uncool, particularly those who assume he’s an overzealous fan of All Might when they meet him in person. The fact that it’s an official All Might merchandise doesn’t stop people from finding his hero-imitation look unsightly.
Due to some criticism towards his favorite hoodie, Koichi surprisingly shows a burst of anger. This reaction, however, contrasts with his usual gentle demeanor. Even if others call his hoodie unfashionable, the slightest disrespect toward it immediately sets him off. In fact, Koichi strongly believes that his hoodie is stylish.
“This is official All Might merch!”—Koichi to Pop Step
Ultimately, Koichi makes every effort to emulate All Might and contribute to society, even when others don’t value him much. What truly matters to Koichi is the emotion he experiences wearing the hoodie, rather than other people’s opinions. In essence, Koichi isn’t the kind of person who would alter his appearance in order to gain acceptance from society.
Even Pop Step Thinks His Hoodie Is Lame

Koichi is accustomed to the consistent criticisms from Pop Step regarding his lifestyle and carefree demeanor, often viewing them as a form of jest and merely laughing them off. It’s rare for a day to pass without Pop Step hurling some sort of insult at him, but that doesn’t suggest he doesn’t have a limit to his tolerance.
When Pop Step directly informs Koichi that his hoodie is unappealing without any pause, Koichi’s demeanor swiftly transforms from composed to enraged, asserting that he would never pardon anyone who disparages his hoodie. This sudden outburst caught Pop Step off guard, as she presumed she would witness his patient side once more. However, there’s a hidden aspect to this tale, as Pop Step conceals a secret regarding the hoodie that she won’t disclose to Koichi.
Ever since our first encounter, it seems like you’re not too generous with resources. You always seem to be mending your simple, rather unimpressive hoodie diligently.”
This version attempts to maintain the original sentiment while using more polite and respectful language.
Koichi’s Hoodie Is His Holy Grail
It’s More Than Just a Hoodie

Generally, heroes and vigilantes often wear costumes that help them get in the right frame of mind. Just like many others, Koichi finds an extraordinary surge of courage when he wears his All Might hoodie. Each time he puts it on, he experiences a powerful sense of motivation to serve and protect people at his best. To him, this hoodie is priceless, even if it appears to be a hastily made costume to others.
It’s important to note that while Koichi’s hoodie might appear to be a common All Might cosplay at first sight, it’s far from being inexpensive. As an ardent fan of All Might, Koichi values the merchandise of his beloved hero and considers every cent he spends on it well-earned from his job at the convenience store. This hoodie is a special item designed for diehard fans like himself, not your average merchandise. In fact, Koichi owns numerous All Might hoodies, even going to great lengths to obtain annual limited editions, with the exception of the classic silver age version.
“Leave everything else aside! I won’t forgive anyone who bad-mouths my hoodie!”—Koichi to Pop-Step
The Story Behind the Missing Hoodie

As Koichi recounts, he previously owned a silver-age hoodie, but he donated it to a child he saved long ago. Since then, he hasn’t managed to find another one like it, though he continues to hold out hope that he might be able to purchase one in the future. It turns out, someone near Koichi had been holding onto the hoodie all this time and was waiting for just the right moment to give it back to him.
To summarize, Koichi stands firm against anyone trying to deprive him of the small pleasures in life, like a favorite hoodie. This characteristic makes him relatable to fans because everyone has something personal or cherished that others might not grasp. In the anime series “My Hero Academia: Vigilantes”, this special item for Koichi is his All Might hoodie.
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2025-04-14 20:35