[2026] What was Koji Seto's apology? A look back at his posts from 15 years ago.

This article summarizes the circumstances surrounding Koji Seto's deletion of a 15-year-old post and subsequent apology, which was reported in May 2026. It includes explanations on his official X account, the background behind the past post becoming a topic of discussion, online reactions, and currently available information.

[2026] What was Koji Seto's apology? A summary of the circumstances.

Summary of key points

Q. What did Koji Seto apologize for?

A. On May 17, 2026, he deleted a post from his X account from about 15 years ago and apologized, saying that the expression lacked consideration for disaster victims and people who were feeling anxious.

Q. Can the content of the post be officially verified?

A. The original post has been deleted, making it difficult to verify at this time. According to news reports, it was a post about radioactivity from May 2011.

Who is Koji Seto as a YouTuber?
What happened after Koji Seto's apology?
The difference between verifiable facts and speculation.
How were the reactions on the internet divided?
Will this have any impact on future activities?
Frequently Asked Questions (FAQ)

1. Who is Koji Seto as a YouTuber?

Koji Seto is a YouTuber known for his wide range of videos, including gadget reviews, comedy, game commentary, and music production. According to his official profile on UUUM, he dropped out of Tokyo Institute of Technology, worked as a theater troupe member until he was 29, and started posting on YouTube in April 2010.

【2026年】瀬戸弘司の謝罪とは？15年前の投稿を整理

item	Content
name	Koji Seto
Main activities	YouTube, gadget reviews, comedy, music production
Affiliation	UUUM
Start YouTube	April 2010
Topic of this discussion	Deleted post and apology from about 15 years ago

2. What happened after Koji Seto's apology?

On May 17, 2026, Koji Seto posted on X, She revealed that she deleted a post she made 15 years ago. The person in question explained that their remarks were inappropriate and lacked consideration for those affected by the disaster or those who were feeling anxious, and apologized to anyone who was offended.

Deleted posts are, Contents regarding radioactivity in May 2011 That was the case. It recently came up in the news among some users and caused controversy. The post has now been deleted.

👉 Go see X

3. The difference between verifiable facts and speculation.

What's important in this case is to distinguish between verifiable facts and online speculation. Koji Seto himself has only admitted to "deleting a post from 15 years ago" and "feeling that it was an inappropriate expression lacking consideration."

classification	Content
Confirmed	On May 17, 2026, the person apologized on X.
Confirmed	They explained that they deleted a post from about 15 years ago.
News report content	This is believed to be a post about radioactivity from May 2011.
Unconfirmed	Detailed circumstances leading to the deletion
Unconfirmed	Individual announcement from the management agency

At this time, no detailed official statement regarding this matter has been confirmed from the talent agency. Therefore, the agency's intentions and the circumstances behind the situation remain speculative.

4. How were online reactions divided?

On Yahoo! Real-time Search, while some people appreciate Koji Seto's apology, saying "his apology was sincere," others express doubts about digging up a post from 15 years ago and argue that "the expression itself was inappropriate."

Furthermore, the reactions on Togetter show a mix of opinions: some argue that the comments should be viewed in light of the social context at the time, while others suggest that the influential commentator should consider the weight of their words. Rather than making direct assertions or excessive criticism, it is necessary to calmly distinguish between the context at the time and how it is perceived today.

5. Will this have any impact on future activities?

Koji Seto is a creator who has been supported for many years for his video editing skills and unique planning abilities. It is unclear at this point how much this apology will affect his future video uploads and corporate projects.

However, even past posts containing expressions related to disasters or affected areas may be re-evaluated in light of current sensibilities. The fact that the individual has explicitly stated that they will delete the posts and apologize is important in terms of future accountability. We will now wait and see if any further explanations or responses from their organization will be released.

Frequently Asked Questions (FAQ)

Q1. How old is Koji Seto?

A. The news reports state that he is 45 years old.

Q2. Which agency does Koji Seto belong to?

A. In the official UUUM profile, I am introduced as a YouTuber affiliated with UUUM.

Q3. Can I view the full text of a deleted post?

A. The person in question has stated that they deleted the post, so it cannot be officially confirmed. According to reports, the post was about radiation and dated May 2011.