Japanese top actress Nagano Mei, married man Tanaka Kei's LINE conversation leaked, leading to suspicions of an affair and two-timing?! What about her relationship with Korean actor Kim Moo-joon? A summary of shocking conversations!

Japanese actress Nagano Mei, honestly, is really hot these days. But this time, she is getting attention not because of her work, but because of the suspicion of an affair and controversy over her personality. On top of that, she is also involved in two-timing rumors with married actor Tanaka Kei and Korean actor Kim Moo-joon...?

This situation is more dramatic than any drama

1. The affair rumor started, and Shukan Bunshun broke it

The controversy began on May 7, 2025, when the Japanese weekly magazine Shukan Bunshun published messages exchanged between Nagano Mei and Tanaka Kei via LINE.


It was too ‘sweet’ to just be seen as friends… so everyone who saw it was shocked.

2. The revealed conversation content is key

In a public Line message, Nagano Mei says:


“Our bed fits us perfectly, right? Funny.”

Then Tanaka said
“That’s why May fits so well. It’s May’s scent.”

Answer: Yes. It's obvious that you're a couple, right?

And also

“We like each other too much, it’s a big deal”
“I am the only angel of Mr. Kay”
Even the comment... At this point, it's hard to deny.

3. The problem is that Tanaka Kei is a 'married man'

Tanaka Kei got married in 2011 and is the father of two daughters. He is 15 years younger than Nagano Mei.
Still, it's shocking that we had this conversation.

Besides, Tanaka
“What should I say to my agency...”
“I’m afraid that Nagano will disappear in the future.”

Judging from what you said, it seems like you are aware that it is an affair.

4. Suspicion of two-timing? Korean actor Kim Moo-joon also appears

It doesn't end here.


According to Japanese media reports, Nagano Mei is also known to be in a close relationship with Korean actor Kim Moo-joon.

Accordingly, suspicions of two-timing arose.
Kim Moo-jun's agency said, "He's just a close colleague," but the timing is so subtle.

5. The reason why the ‘humanity controversy’ was sparked

There are mixed opinions even among Nagano Mei fans.

“It’s a bit much to keep meeting someone after realizing the affair through a LINE chat...”
From the reaction of “I’m giving up my fandom”
The reactions are varied, including “It’s not confirmed yet, so let’s just believe it,” but the damage to the image is quite significant.

In particular, Nagano's comment, "Even if it's an affair, if it's not caught, you might not know about it, right?" became known.

At the same time, a controversy over personality broke out.

6. When did their relationship begin?

The two met while co-starring in the 2021 film 'And the Baton Was Passed'.
Shukan Bunshun reported that their relationship had developed into a romantic one last year.

In addition, photos taken face to face and photos of them holding hands have already been released to the media.
In fact, the explanation doesn't have much force.

7. Is it possible to restore both images?

Nagano Meido and Tanaka Keido are also really well-known actors in Japan.



However, it seems like both of them have been hit hard in their careers by this controversy.

In particular, Nagano Mei has quite a large fan base in Korea as well.
Many people believe that it will not be easy to restore the image of both Korea and Japan due to this incident.

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