Nakayama Kinnikun Hit With ¥162 Million Lawsuit Over Ex-Manager’s Fraud — 5ch Asks: ‘Victim or Scammer?’

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The story

It came to light on September 30 via a Daily Shincho report that fitness personality Nakayama Kinnikun has been sued by people connected to actor Kane Kosugi, demanding he “pay back the money.” The defendants are Kinnikun himself, his personal agency “Company 333,” and former manager Yuichi Iio, who has already been arrested on suspicion of fraud. The plaintiffs are jointly demanding a total of ¥162 million, of which ¥70 million is claimed from the individual plaintiff alone. Opinions on 5ch were split — some argued it’s unreasonable to hold Kinnikun liable after the fact when lending the money was the plaintiff’s own decision, while others raised the question of the talent’s duty of oversight, such as how the agency’s official seal was managed.

9/30 (Wed) 12:31

Daily Shincho

“Kane Furious, Feels ‘Betrayed’ by Kinnikun”

Source: topics.smt.docomo.ne.jp / Original article here

What people said

7AnonymousSep 30, 2026 17:19
Maybe Kinnikun should've just stayed with Yoshimoto…?
9AnonymousSep 30, 2026 17:19
"I'm a victim too," huh

Corporate data breaches pull the same move, don't they
"We suffered unauthorized access" and leaked your info
So it's damages, random attacker, Shane (a disjointed word-association riff — exact meaning unclear, possibly a meme chain)
10AnonymousSep 30, 2026 17:19
Victim or scammer, WHICH IS IT?!

POWER! ("Power!" is Kinnikun's own catchphrase)
11AnonymousSep 30, 2026 17:19
The manager's probably got the money stashed away somewhere.
12AnonymousSep 30, 2026 17:19
His body fat percentage is single digits, same as Kane Kosugi's.
15AnonymousSep 30, 2026 17:20
In my experience, guys with beady little eyes like that can't be trusted.
16AnonymousSep 30, 2026 17:20
Would this not have happened if he'd just stayed at Yoshimoto?
32AnonymousSep 30, 2026 17:23
Re: #16
Yoshimoto would probably just front that kind of cash for him.
Kinnikun could pay it back easily anyway.
17AnonymousSep 30, 2026 17:21
What an absolute disaster of an ex-manager, lol
18AnonymousSep 30, 2026 17:21
This claim is way too much of a stretch.
Lending the money was his own call —
it's not like Kinnikun was standing there telling him to hand it over.

And yet they're pinning the outcome all on him? That's just idiotic.
19AnonymousSep 30, 2026 17:21
Are there other comedians you guys used to hype up who actually turned out to be bad people?
22AnonymousSep 30, 2026 17:21
My "muscle" pick lost at this year's Sprinters Stakes (a major Japanese horse race), so I figured something was coming — and here it is already.
23AnonymousSep 30, 2026 17:21
You guys really have zero eye for character, huh.
24AnonymousSep 30, 2026 17:21
Just being "connected" to him gets you a loan that big?
Kinnikun's name value is insane.
25AnonymousSep 30, 2026 17:22
Surely Kinnikun's in the clear here?
This Iio guy just used his name without permission to run the scam, right?
And he's already been arrested for it.
Just make him pay it back.
59AnonymousSep 30, 2026 17:28
Re: #25
He doesn't have the means to repay it, so they're suing jointly (the scammer, Kinnikun, and Kinnikun's company — three parties).

If Kinnikun had left management of the company seal or his own personal seal in the scammer's hands, joint liability can sometimes be established (since it's normal to trust a contract that's been properly stamped).

But if it was just a verbal arrangement (some made-up line like "I've been put in charge of producing Kinnikun's health food line"), that alone probably wouldn't hold up.
26AnonymousSep 30, 2026 17:22
Reading the article, Kane himself doesn't seem all that involved…

Sounds more like whoever was handling Kane's side of things just got caught up in the fraud…
34AnonymousSep 30, 2026 17:23
Re: #26
It's an ugly fight between two guys both trying to cash in on someone else's name.
31AnonymousSep 30, 2026 17:22
Probably won't hold up legally, but I get the sentiment.
Maybe he'll at least get some token amount back.
33AnonymousSep 30, 2026 17:23
His momentary impact on M-1 (Japan's top manzai comedy competition) was pretty huge — that "gone right after he arrived" feeling was the best part.
35AnonymousSep 30, 2026 17:23
Wait, the talent is responsible for supervising the manager?
I'd have assumed it was the manager's job to keep the talent in line.
If he'd been at a big agency that employed the manager directly, would he have been in the clear?
36AnonymousSep 30, 2026 17:23
So this is the classic case of scumbags flocking to an easy-to-carry figurehead (a "light mikoshi" — someone easily propped up and exploited)?
37AnonymousSep 30, 2026 17:24
This is exactly how a nation of laws is supposed to work 🤣
39AnonymousSep 30, 2026 17:24
Guess getting rich changed him as a person.
Well, that probably happens to everyone, but for Kinnikun it's a serious blow to his image.
53AnonymousSep 30, 2026 17:26
Feels like there was also some cult or self-help seminar trouble before.
Nakayama sure racks up the money troubles.
102AnonymousSep 30, 2026 17:34
Re: #53
The Ohtani of the muscle world.

Guess Ohtani (Shohei Ohtani, MLB star) counts as part of the muscle world too, lol
58AnonymousSep 30, 2026 17:27
He could've at least gotten a lawyer and talked it out.
Cutting off contact outright is just dumb.
He's built his whole image on being a good guy — he should've handled this carefully to avoid a lawsuit.
74AnonymousSep 30, 2026 17:30
Re: #58
I get that Kinnikun was scared of saying anything careless,
but not even managing "I'll consult a lawyer and get back to you" is the real problem.
60AnonymousSep 30, 2026 17:28
This lawsuit is such an impossible ask, I'm speechless, lol
61AnonymousSep 30, 2026 17:28
The person who lent the money bears the real responsibility here.
They should be suing the lender first.
73AnonymousSep 30, 2026 17:30
Re: #61
They are suing him.

The defendants are Kinnikun, his personal agency "Company 333" (read "Sasami" — a pun on 3-3-3 that also means chicken breast, a nod to bodybuilding), and former manager Yuichi Iio (52). The defendants are being asked to jointly pay a total of ¥162 million, of which ¥70 million is being claimed by Mr. A.
70AnonymousSep 30, 2026 17:29
Money trouble again?
Hire decent people for once.
79AnonymousSep 30, 2026 17:31
These two used to be a duo and entered the M-1 qualifiers together, right?
I think they were called "Perfect Powers."
85AnonymousSep 30, 2026 17:31
Re: #79

Nah, it's right there in Re: #1.
86AnonymousSep 30, 2026 17:31
Hasn't he had a lot of money-related trouble ever since leaving Yoshimoto?

Background and Key Points of This Story

Nakayama Kinnikun previously left the major talent agency Yoshimoto Kogyo and has been operating under his own independent agency, “Company 333” — the backstory behind thread comments like “maybe he should go back to Yoshimoto.” The lawsuit stems from the arrest of former manager Yuichi Iio on suspicion of fraud, with the plaintiff seeking joint payment from both Kinnikun himself and his agency. The central question is how far a talent’s personal liability extends for money trouble caused by their manager — as comment 59 points out, whether joint liability sticks depends on how much Kinnikun actually entrusted the manager with handling contracts and the company or personal seal. The framing behind the headline — that “‘I’m a victim’ won’t fly” — reflects reports that Kinnikun’s side cut off contact without fulfilling any duty to explain, which is why the reporting suggests this can’t simply be written off as him being a victim.

*This article is excerpted and summarized from the 5ch (Geisports Sokuho+) thread “Nakayama Kinnikun sued by parties connected to “Kane Kosugi” demanding “pay back the money”! Claim amount ¥160 million — “‘I’m a victim’ won’t fly”.”

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