Kano Eikou’s Confession of 154 Allergies Stuns 5ch: ‘All 154 of Them?’

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The story

Comedian Kano Eikou revealed on an October 3 radio broadcast that L’Arc-en-Ciel’s hyde had invited him out to eat. Kano is known for having one of the most severe allergy profiles in Japanese show business — at its peak, he tested positive for 154 different allergens — and hyde reportedly asked him, “Is Chinese food okay?” out of concern. The confession sparked debate on 5ch over how much allergy information diners should realistically disclose to restaurants. Some argued “there’s no way you can list all of that,” while others countered that “once you factor in cross-reactivity, confirming everything verbally is basically impossible” — reactions to the number 154 varied widely.

Mon, Oct 5, 14:23

On Saturday, October 3, the radio program “Sandwichman the Radio Show Saturday” (Nippon Broadcasting, every Saturday 1-3 PM), hosted by comedy duo Sandwichman’s Date Mikio and Tomizawa Takeshi, aired as usual. With Date still out recovering, solo comedian Kano Eikou once again filled in as guest.

On the show, Kano revealed that he’d been invited out to eat by one of his idols, L’Arc-en-Ciel’s hyde. Kano, who has one of the most extreme allergy profiles in the entertainment industry — at his peak testing positive for a staggering 154 allergens — said hyde even asked him, “Is Chinese food okay for you?” out of concern.

Source: news.yahoo.co.jp / Original article here

What people said

3AnonymousOct 5, 2026 15:09
Apparently Unagi from the comedy duo Ginshari comes from a family that dies if they eat eel, generation after generation — is that an allergy too?
9AnonymousOct 5, 2026 15:11
Re: #3
Just superstition.

It's like how a guy named Onizuka ('oni' means demon) would yell 'Demons, come IN!' at Setsubun instead of the usual 'Demons out!' — just a pun on the name, not literal.
64AnonymousOct 5, 2026 16:33
Re: #3
Fujiko Fujio A, who grew up eating shojin (Buddhist vegetarian) cuisine because his family ran a Zen temple, got a massive nosebleed the very first time he ever ate eel.
5AnonymousOct 5, 2026 15:10
If it bothers you that much,
just tell them exactly what you can't have
and ask 'this doesn't have it in it, right?' That's the normal way to handle it…
10AnonymousOct 5, 2026 15:12
Re: #5
There's probably just too many to list.
Though honestly, if you're that bad off, maybe don't eat out — or at least don't go somewhere you don't know.
11AnonymousOct 5, 2026 15:13
Re: #5
All 154 of them?
32AnonymousOct 5, 2026 15:26
Re: #5
Do you get that this is a comedian telling a story for laughs?
7AnonymousOct 5, 2026 15:11
You should ask 'What allergens are in this?' specifically —
if you just ask 'What's in this?' the chef is obviously going to assume you're asking about flavor ingredients.
63AnonymousOct 5, 2026 16:30
Re: #7
That works fine for one or two allergies, but Kano's dealing with this:
once you factor in cross-reactivity, the list gets so massive that verbal confirmation becomes basically impossible.
66AnonymousOct 5, 2026 16:55
Re: #63
This is about food, don't pad the count with hay fever or house dust mites.
Just stick to the 9 mandatory + 20 recommended allergens.
8AnonymousOct 5, 2026 15:11
I get this one.
Personally, high-fructose corn syrup gives me diarrhea, so Tully's syrup is a no-go for me.
58AnonymousOct 5, 2026 16:23
Re: #8
Is Starbucks okay then?
12AnonymousOct 5, 2026 15:14
Labeling became mandatory for allergens at some point, but back in the day it really was hidden.
Rough times when you're allergic to shrimp.
14AnonymousOct 5, 2026 15:15
Wait, here I thought he was just being quiet on the bullet train, turns out he was cooking this story up the whole time?
Dude's really leveled up his game.
Hit me with a story that funny and I don't know what to do with myself.
16AnonymousOct 5, 2026 15:17
Re: #11
If the menu already has the ingredient list on it, what exactly is there left to ask?
17AnonymousOct 5, 2026 15:18
Thing is, there aren't really restaurants that clearly list their ingredients.
22AnonymousOct 5, 2026 15:20
He should just put in the effort to improve his gut health.
36AnonymousOct 5, 2026 15:34
Re: #22
Allergies aren't something you can fix with effort.
23AnonymousOct 5, 2026 15:21
Re: #11
Also, not all 154 of those items are even food.
24AnonymousOct 5, 2026 15:21
Sorry, but keeping ingredients secret is the whole business model — if you're that worried, just don't eat out.
Imagine the trouble if people started doing this just to steal recipes.
27AnonymousOct 5, 2026 15:22
I actually got matched with Eikou once during one of his Dead by Daylight streams.
34AnonymousOct 5, 2026 15:30
If it's a mild allergy, fine, but if a restaurant secretly uses peanut paste as a hidden flavor booster —
and peanuts are one of those allergies that can turn severe fast —
yeah, that could genuinely cause problems for some people.
38AnonymousOct 5, 2026 15:36
Re: #7
Major allergens have mandatory labeling, but minor ones don't.
There are basically as many 'food allergens' as there are people.
39AnonymousOct 5, 2026 15:37
Re: #9
Sounds like he could probably actually eat it but is too scared to try?
Apparently he genuinely never eats it though.
42AnonymousOct 5, 2026 15:42
Re: #39
There's an anecdote where his older brother ate an 'unagi pie' (eel-shaped pastry) and collapsed foaming at the mouth — but that's probably just comedian material, lol.

For what it's worth, apparently the wives who've married into the family over the generations eat eel just fine.
46AnonymousOct 5, 2026 15:48
Re: #1
Even if you test positive for all 154, most of them probably do nothing if you actually eat them.
He should just list the ones that actually cause a reaction when he eats them.
83AnonymousOct 5, 2026 17:35
Re: #46
Exactly this.
I personally test positive for almost everything except water,
but the stuff I actually can't eat isn't nearly that many.
57AnonymousOct 5, 2026 16:23
Wasn't it a latex allergy? I remember him not being able to wear certain things because of it.
86AnonymousOct 5, 2026 17:39
Re: #57
Just use Sagami Original then (they're latex-free).
70AnonymousOct 5, 2026 17:06
A wheat allergy must be rough —
you'd lose access to most food out there.
71AnonymousOct 5, 2026 17:09
Re: #70
Someone in my family has one — honestly it's a bit more manageable than a dairy or soy allergy.
Gluten-free has gotten trendy the last few years even among people without allergies,
so now you can get wheat-free frozen karaage and gyoza too. You can get by okay.

Background and Points of Debate

Under Japan’s food labeling standards, only a handful of “specified raw materials” are legally required to be labeled, and that requirement mainly applies to packaged food — it doesn’t uniformly extend to menu labeling at restaurants. That leaves it largely up to the customer to figure out how much allergy information to communicate to a restaurant and get confirmed. On the thread, opinions split between those who felt “just ask” is good enough and those who argued that with 154 items, verbal confirmation simply isn’t realistic. That said, 154 is the total count of items that tested positive — the number that actually trigger severe symptoms when eaten is likely much smaller. The fact that a big number doesn’t necessarily equal severity is an easy point to overlook given how much attention the figure itself has drawn.

*This article was compiled and summarized from the 5ch (Geisoku Sokuhou+) thread “Kano Eikou: ‘Don’t Hide the Secret Ingredient!’ — Confesses the Serious Struggles That Come With Extreme Allergies.”

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