“Everyone Was Writing It, So I Did Too”: Apology Letter Sent to Yuji Mizoguchi After Online Harasser Identified

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The story

Businessman Yuji Mizoguchi, COO of BreakingDown, revealed on his X account on October 16 that he is pursuing disclosure requests to identify the people behind slanderous posts about him online, and published an apology letter from one of the identified posters. The letter’s author works at a factory in Shizuoka Prefecture and explained that after paying rent and electricity out of his salary he has no money left over, and that resentment toward prominent or wealthy people on social media led him to pile on to other people’s posts. On 5channel threads, opinions clashed: some doubted the letter’s authenticity because it was “too specific” to be real, while others debated whether the compensation demands and process were appropriate.

Yuji Mizoguchi, a businessman who serves as COO of the fighting event “BreakingDown” among other roles, updated his X account on October 16. He revealed that he has filed requests to disclose the identities of people who posted slanderous content about him on social media and, having identified the posters, is now moving forward with damage claims against them one by one. He also published an apology letter he says was sent by one of the people identified.

The letter was written by someone who says they work at a factory in Shizuoka Prefecture. He explained that once rent and electricity are paid out of his salary, almost nothing is left, and that his routine is to come home, drink cheap alcohol, and go to sleep. He said he resented people who stand out or are wealthy on social media, and ended up piling on to other people’s insults as a result.

He apologized, saying he’d thought lightly, “Everyone else is writing this stuff, so it should be fine if I do too,” but that he now deeply regrets it. Saying, “If I’d known it would come to this, I wish I’d never written anything in the first place,” he stated he will never do it again and plans to quit the internet altogether.

Source: ascii.jp / Read the original article here

What people said

2AnonymousOct 16, 2026 17:59
What does this guy even do for a living?
61AnonymousOct 16, 2026 19:02
Re: #2
What are YOU doing, if you can't even understand Japanese?
4AnonymousOct 16, 2026 18:00
Guess giving off a shady vibe is what actually makes the money, huh
7AnonymousOct 16, 2026 18:01
Then all these guys should be paying ME damages too. Compensation shouldn't be based on the victim's financial situation — it should scale with how much reach the media outlets, creators, and influencers actually have.
9AnonymousOct 16, 2026 18:03
Well, he says he's quitting the internet, so really he's just escaping the prison that is the internet. Guess that makes him a winner.
18AnonymousOct 16, 2026 18:06
Re: #9
That's seriously dumb. These days even homeless people in developing countries and remote tribes deep in Africa have smartphones. All that'll happen is everyone else stays online and hounds the one guy who isn't, broadcasting one-sided info to the world on whatever terms suit the people who are still online — making the world even creepier.
13AnonymousOct 16, 2026 18:04
He's starting to pull the same stunts as Yutabon or Hezuma Ryu (notorious Japanese internet personalities known for attention-seeking antics).
15AnonymousOct 16, 2026 18:04
Demanding damages outside of an actual court ruling is nothing but extortion with a lawyer attached.
25AnonymousOct 16, 2026 18:14
Don't you dare settle on this one — go to trial and it's only ¥100,000, but settle and it's ¥1,000,000!
31AnonymousOct 16, 2026 18:20
Re: #25
You'd have to testify in person in front of a judge, and the other side's lawyer would grill you too. Think you could handle that?
28AnonymousOct 16, 2026 18:16
Apparently even if you don't name someone directly, if a third party listening can tell who you mean, it still counts as slander. In that case, I'd like every influencer and celebrity in this scene, plus the tens of thousands of people living in the comment sections, to write a reflection letter saying something like "I felt envy and jealousy stemming from my rough upbringing, plus arrogance from having made it big" — and get an apology and damages out of every single one of them.
52AnonymousOct 16, 2026 18:44
Re: #28
Who exactly, and what harm did you actually suffer? Even just the "what" would be fine.
29AnonymousOct 16, 2026 18:16
Why does this reek of being fake? Maybe because the whole story plays out like some cheap melodrama with a lousy ending?
32AnonymousOct 16, 2026 18:22
Honestly my impression isn't just "shady associates" — it's "a crew that keeps churning out arrests."
33AnonymousOct 16, 2026 18:23
Guess people will be too scared to post anything about celebrities now unless it's pure praise. Anyone criticizing politicians and the like for anything outside their actual job should realize they're basically criminals who just haven't been sued yet.
41AnonymousOct 16, 2026 18:31
Re: #33
Why even bother with the praise — just ignore everything they do.
53AnonymousOct 16, 2026 18:45
Re: #33
You could just talk about it in a LINE group with friends, or chat about it over dinner at a family restaurant. Why do people feel the need to broadcast it to the whole world?
34AnonymousOct 16, 2026 18:23
Relieving stress through slander on social media warps your personality. When someone whose personality is already irreversibly warped stops doing it, that pent-up stress just gets dumped somewhere else. I'd bet those "shoulder-barging uncles" and "customer-harassment aunties" (people who deliberately bump into strangers, or abuse service workers) are exactly that type.
35AnonymousOct 16, 2026 18:23
It's probably meant as a threat. Someone with that level of nothing-left-to-lose isn't going to actually reflect on anything.
37AnonymousOct 16, 2026 18:27
If this actually went to trial for real, I bet the haters would throw in as much money as it takes just to take Mizoguchi down. Feels like it'd end with nobody paying any damages at all, and Mizoguchi just walking away humiliated.
40AnonymousOct 16, 2026 18:30
So, does this letter-writer actually exist?
46AnonymousOct 16, 2026 18:37
Even so, bad people still need to be called out.
48AnonymousOct 16, 2026 18:39
No matter how you look at it, this has to be fake. Anyone who actually believes this should see a doctor.
49AnonymousOct 16, 2026 18:39
>He says he's quitting the internet too

At this point that's textbook "usoshow" territory (slang for an obviously made-up sob story).
50AnonymousOct 16, 2026 18:40
The apology letter is weirdly over-detailed — it reminds me of "Abe's letter" (a past letter mocked online for being suspiciously overwritten).
51AnonymousOct 16, 2026 18:43
Slander can escalate all the way to murder, so stamping it out like this is actually the right defensive move for someone whose living depends on controversy.
55AnonymousOct 16, 2026 18:51
Re: #1
Red light! We all crossed together, but I'm the only one who got hit by a car and reincarnated in another world lolololololol
  〆⌒ヽ_||i_〆⌒ヽ
  / iiii!!!!!!   !!!!iiii  ヽ
。|  ( ゚__)    (__゚ )  | 。
 | (_Ti__)──(//| |)  |  。
 | ./ /┬UU┬" | (  |
 | j j| ┴┴・┴-┤ ) .|
 |' i |       | ) (  |
 |  ヽ/⌒⌒ヽ__/    |
 |   |  / ̄| /     |/')
('ヽ  ヽJ ̄u u       ')
56AnonymousOct 16, 2026 18:51
Is it even okay to publish an apology letter like this without the writer's consent?
62AnonymousOct 16, 2026 19:05
64AnonymousOct 16, 2026 19:10
The damages here are way too high. If you can collect several hundred thousand yen for something like this, then weekly tabloids would need to pay out billions of yen for it to actually count as punishment.
71AnonymousOct 16, 2026 19:22
Re: #64
That's way too cheap lol. Guess for you bottom-feeders this looks like a lot lol
67AnonymousOct 16, 2026 19:14

Background and Key Points of the Debate

Requests to disclose sender information are a system based on the “Act on Court Procedures for Disclosure of Information Identifying Senders of Infringing Content” (formerly the Provider Liability Limitation Act), which lets a poster’s identity be determined through the courts. In recent years, more celebrities and companies have actually used this procedure to identify posters and move on to filing damage claims, and the publication of this apology letter appears to be part of that trend. The thread split mainly over two points. One was the credibility of the apology letter — many voiced doubt that it was “made up,” since the content was oddly specific. The other was the appropriateness of the compensation amount and process, with some questioning why an out-of-court settlement would cost more than a court ruling, while others argued that those with greater reach to spread information should bear greater responsibility. While identifying and publicizing slanderous posters can itself act as a deterrent, there’s also a clear unease at seeing even the poster’s personal living circumstances exposed to the public.

*This article is compiled and summarized from the 5channel (Entertainment & Sports News+) thread “[Combat Sports] “Everyone else is writing it, so I figured it was fine…” — Apology Letter from Person Who Slandered Yuji Mizoguchi Published.”

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