Kim Jong-guk and Yoon Eun-hye, rekindle dating rumors with a tanning salon certification shot from 17 years ago? We've compiled a list of letters from the 'obvious couple' and evidence of their relationship!

An old love line is being revived. It's the story of the legends of 'X-Man', Kim Jong-guk and Yoon Eun-hye.
The couple's dating rumors are once again receiving a lot of attention after a tanning salon certification photo taken in 2008 suddenly went viral online.

These two people who were once loved by many as the 'obvious couple', did they really date?

1. 2008 Tanning salon certification photo, same day, same place?

July 2025, two Polaroid photos spread through social media and communities.
In the photo, Kim Jong-guk and Yoon Eun-hye each took a certification shot at the same tanning salon on June 10, 2008.

The background is the same, and the date is the same.
Yoon Eun Hye left a message saying, “Thank you for doing such a great job. I hope you prosper,” and Kim Jong Kook also left a message saying, “Thank you. I hope you prosper even more.”

Isn't this timing too perfect to be a coincidence?

2. A love line that lasted nearly 20 years, why it is still talked about

Their relationship began on SBS' 'Find X-Man' which aired in 2003.
Thanks to the genuine tension and exciting scenes shown in the 'Of Course' game, viewers really thought the two were dating.

In particular, Yoo Jae-suk continues to mention this couple on entertainment shows and is acting as an official witness to their love line.

3. A notebook of letters, love letters… Were they really dating?

In 2022, Yoon Eun Hye said in her YouTube video
“I once confessed that I wrote down every text my ex-boyfriend sent me in a small notebook and gave it to him as a gift.”
If you feel like this confession is somehow familiar, you're right!

Kim Jong-guk also appeared on 'My Little Old Boy' in 2018.
“I had a girlfriend who would handwrite the texts I sent her. She called me a prince,” he said.

There were continued reactions that the timing, content, and details were too similar.
Eventually, Yoon Eun Hye deleted the YouTube video.

4. Agency's explanation and Kim Jong-guk's meaningful statement

As the dating rumors continued even after the video was deleted, Yoon Eun-hye's side said,
Although she officially drew the line by saying, “I have never dated Kim Jong-guk”…

Kim Jong-guk will appear in KBS' 'Problem Children in the Rooftop Room' in 2022.
He also made a meaningful statement: “If one of us gets married, it’s over. I don’t know why they don’t do it. I’m dying.”

There was another outburst of reaction asking if something really happened.

Let’s organize it into Q&A!

Q. Did Kim Jong-guk and Yoon Eun-hye really date?
A. Although it has been officially denied, circumstantial evidence and statements continue to be circulated and suspicions are still raised.

Q. How were the tanning salon photos discovered?
A. It was uploaded to an online community in July 2025 and quickly spread. There were many reactions saying it was exactly the same, including the date, background, and even the signature.

Q. Is there a chance that the two of you will meet again on TV?
A. Since Yoo Jae-suk keeps mentioning them and fans are hoping for a reunion, there might be a surprise two-shot someday, right?

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