Kentaro Sakaguchi’s “Secret Marriage” Hit with Two-Timing Allegations — 5ch Users Cry “Sounds Made Up”

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The story

On September 6, actor Kentaro Sakaguchi (35) announced on his paid fan club website that he had married a non-celebrity woman. In response, Bunshun Online reported allegations that Sakaguchi’s relationship with actress Mei Nagano had overlapped with the period he was dating his now-wife, splitting opinion on the 5ch Geinō Supo Sokuhō+ board over what’s true and who’s really at fault. While some suspect the story “reeks of fiction,” others argue Nagano shares the blame for the alleged two-timing, and some are dredging up Sakaguchi’s own dating history.

“Stay Away From My Boyfriend!” — The Full Inside Story of Kentaro Sakaguchi’s “Secret Marriage,” From the Mei Nagano Two-Timing Scandal to Overcoming Opposition

“This is a personal matter, but I wanted to share that I have married a non-celebrity woman I’ve been seeing.”

On the night of September 6, actor Kentaro Sakaguchi (35) announced his marriage on his paid fan club website.

Source: news.yahoo.co.jp / Read the original article here

What people said

2AnonymousSep 13, 2026 00:22
Either way, this doesn't look like it'll last…
3AnonymousSep 13, 2026 00:22
Did something that dramatic actually happen, seriously?
24AnonymousSep 13, 2026 00:37
Re: #3
Kind of reeks of fiction, doesn't it?
26AnonymousSep 13, 2026 00:39
Re: #3
It's the kind of thing you'd only know if you were there, so it's probably made up.
4AnonymousSep 13, 2026 00:22
So he ended up marrying the other woman from that love-triangle mess with Nagano, lol
5AnonymousSep 13, 2026 00:23
The guy's the one at fault here.
He'll just do it again.
49AnonymousSep 13, 2026 01:12
Re: #5
So Mei Nagano, who causes trouble every single time, bears no responsibility at all?
6AnonymousSep 13, 2026 00:23
What's the point of writing an article like this?
Nobody comes out of it happy.
30AnonymousSep 13, 2026 00:42
Re: #6
Kendo Watanabe: "Ain't that the truth" (the comedian infamous for his own cheating scandal)
7AnonymousSep 13, 2026 00:24
The idea that Bunshun articles are all "lies, exaggeration, and misleading" — I already learned that well enough from the Isa and Sugio stories (past Bunshun reports about people by those names that turned out to be off-base)
8AnonymousSep 13, 2026 00:24
The fact that they threw in "Matt" as a palate-cleanser is seriously hilarious (lol)
12AnonymousSep 13, 2026 00:26
Re: #8
Wasn't that Gaasy? (the YouTuber known for leaking celebrity dirt)
9AnonymousSep 13, 2026 00:25
Sure, Mei Nagano did something wrong.
But when it comes to this Kentaro Sakaguchi business, isn't she actually the victim?
Dredging this up again seems like it can only hurt Sakaguchi and Ms. A's side.
19AnonymousSep 13, 2026 00:34
Re: #9
Bunshun's never going to publish an article for someone else's benefit.
67AnonymousSep 13, 2026 01:46
Re: #9
"Dredging it up," lol — it's not like it's a disease that flares back up.
10AnonymousSep 13, 2026 00:25
Isn't Mei-chan kind of the victim here?
There's a chance she didn't even know he was living with someone.
80AnonymousSep 13, 2026 02:08
Re: #10
Kei Tanaka: "You think so?" (the actor from Nagano's earlier affair scandal)
16AnonymousSep 13, 2026 00:27
No, Nagano was the better choice — why'd he go with a hair-and-makeup artist?
Was he threatened into it?
17AnonymousSep 13, 2026 00:29
Shouldn't this so-called "Ms. A" be mad at Sakaguchi for two-timing her?
20AnonymousSep 13, 2026 00:35
These tabloids think they can write whatever they want as long as it's about Mei Nagano.
21AnonymousSep 13, 2026 00:35
A guy who's careless with women will keep doing it again and again.
22AnonymousSep 13, 2026 00:35
Wasn't this actually a four-way tangle, including Mitsuki Takahata?
53AnonymousSep 13, 2026 01:19
Re: #22
Didn't Mitsuki Takahata and Haru overlap too?
23AnonymousSep 13, 2026 00:37
No way a guy admits to two-timing on his own.
He obviously just got caught and cornered about it.
25AnonymousSep 13, 2026 00:39
Hmm, so-and-so & so-and-so & so-and-so & me — I've completely lost track.
27AnonymousSep 13, 2026 00:40
Who exactly did Bunshun hear this from?
28AnonymousSep 13, 2026 00:41
Is this from a different time period than the affair with Kei Tanaka?
29AnonymousSep 13, 2026 00:41
Writing a hit piece around a private citizen who has no way to speak up for herself is just low, Bunshun.
31AnonymousSep 13, 2026 00:42
I'm actually about to break up with my own 35-year-old girlfriend of 6 years too, so this could get messy for me.
54AnonymousSep 13, 2026 01:19
If it weren't for the affair, she'd just be seen as someone who's dated a lot.
Yui Aoi and Erika Toda had plenty of rumors too, but since there was no affair involved, they've kept working steadily.
63AnonymousSep 13, 2026 01:34
Sakaguchi's the trash one here.
Even after a betrayal like that, he still went and got married?
73AnonymousSep 13, 2026 01:52
Re: #63
Same with male idol fans — when a dating scandal breaks, they go after the woman.
Guess the logic is that the cheating guy isn't at fault, the woman is.
71AnonymousSep 13, 2026 01:49
Re: #53
Good for both of them, marrying other good-looking guys instead.
76AnonymousSep 13, 2026 01:54
Re: #71
Sakaguchi's really been through a string of actresses — and that's just the ones we know about.
77AnonymousSep 13, 2026 01:57
Maybe Nagano could still survive in showbiz if she rebrands herself as a "femme fatale" type, like Yuki Saito did.

Background and Key Points of This Topic

Bunshun Online’s report came out just one week after Sakaguchi announced his marriage, and the announcement itself — made via a paid fan club site — had already drawn attention. Mei Nagano was previously reported in 2024 to have had an affair with actor Kei Tanaka, and in the thread this new two-timing allegation is at times conflated with that earlier scandal. Per the Bunshun article, the woman identified as his marriage partner is not a celebrity but a “private citizen,” and it should be noted that there is no source for this beyond that article. Some posts also speculate about the relationships by naming other actresses such as Mitsuki Takahata, Haru, and Yui Aoi, but these are unrelated to this particular report and remain unconfirmed speculation rather than established fact.

*This article is compiled as an excerpt and summary of the 5ch (Geinō Supo Sokuhō+) thread “[Bunshun] Called Mei Nagano Directly and Scolded Her! “Stay Away From My Boyfriend!” — Kentaro Sakaguchi’s Two-Timing Scandal With Mei Nagano and His Marriage Partner… The Full Inside Story.”

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