Actor Jiro Sato admits ‘I’m the heaviest I’ve ever been’ — diet vow and show plug spark mixed reactions

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The story

Actor Jiro Sato (57) updated his X account on September 15, admitting to a change in his physique with the words “Right now, I’m the heaviest I’ve ever been in my life.” While the post rallied himself with “I’ve got to work hard on my diet,” it also doubled as a plug for his appearance on NHK’s “Rekishi Tantei” (History Detectives), airing the next day, the 16th. On 5ch, the post drew mixed reactions: some took it as simple weight-gain banter, while others, recalling past reports of social-media controversies involving him, questioned the timing of his return to activity and the real motive behind the show plug.

Tue, 9/15, 1:56 PM

Actor Jiro Sato (57) updated his X account on the 15th with a report on his physical condition.

Sato confessed, “Right now, I’m the biggest I’ve ever been. In other words, I’m the heaviest I’ve ever been in my life.” While psyching himself up with “I’ve got to work hard on my diet,” he added, “Not that anyone cares about that personal update, but tomorrow’s Rekishi Tantei is ‘Tokyo: The Phantom World Heritage Site, the Tokugawa Family Mausoleum.’ We dig into a lost national treasure. Airs tomorrow, the 16th (Wednesday), at 10pm.”

Source: news.yahoo.co.jp / Original article here

What people said

4AnonymousSep 15, 2026 15:23
Just a show plug to make it look like he's got work
It's not actually a new job
5AnonymousSep 15, 2026 15:24
Hasn't he been dropped from Rekishi Tantei (History Detectives) yet?
28AnonymousSep 15, 2026 15:32
Re: #5
He's unpleasant, just fire him — Hideki Takahashi, Yutaka Matsushige, or Kuniyoshi Matsumura would make a better host
50AnonymousSep 15, 2026 15:52
Re: #5
I want him dropped in next month's programming shakeup
Replace him with Yo Oizumi
7AnonymousSep 15, 2026 15:25
Is History Detectives the only show he's on now?
What about promoting Bayside Shakedown ("Odoru")?
9AnonymousSep 15, 2026 15:25
Occupation: history-show nodding uncle
Oh wait, he's got a script, so I guess he's technically playing the 'chief' role lol
10AnonymousSep 15, 2026 15:25
He's got quite an appetite for someone supposedly in emotional shock — normally people lose weight from that
29AnonymousSep 15, 2026 15:33
Re: #10
Maybe it's the stress-eating type of thing
Ugh, gotta hold back, hold back (not holding back at all)
11AnonymousSep 15, 2026 15:25
Just watch — once the truth comes out, the tide will turn
14AnonymousSep 15, 2026 15:26
What was that whole 'I'm quitting social media' declaration about?
This old man's attention-seeking is genuinely scary
17AnonymousSep 15, 2026 15:27
Somebody tell him to never touch X again
26AnonymousSep 15, 2026 15:31
Re: #17
His agency and probably everyone around him have told him this, but he won't listen — that's how this guy ended up like this lol
31AnonymousSep 15, 2026 15:35
He should be grateful for the mercy of the head of the Tokugawa main family
34AnonymousSep 15, 2026 15:38
Apparently his jaw has gotten bigger
35AnonymousSep 15, 2026 15:39
Tossing in a little aside before the show promo, huh
40AnonymousSep 15, 2026 15:42
This guy's surprisingly tall, isn't he?
Has some real presence
43AnonymousSep 15, 2026 15:46
'This will be the last one' → wasn't the last one
'Ugh, gotta hold back' → not holding back at all
This is a lie too lol
45AnonymousSep 15, 2026 15:50
Jiro-han, watch out you don't get a double chin from putting on weight
Better massage that jaw good
48AnonymousSep 15, 2026 15:52
People who are seriously quitting just delete their account suddenly, no announcement
57AnonymousSep 15, 2026 16:00
Re: #48
Right?
Show promotion should just be handled by the show's official account
51AnonymousSep 15, 2026 15:53
He's become a hard guy to cast
He shouldn't be drawing attention to himself
52AnonymousSep 15, 2026 15:56
Didn't this guy say he was quitting Twitter — or social media in general?
53AnonymousSep 15, 2026 15:57
You can't trust this guy's declarations. He's the type who got warned about harassment and then barged into someone's dressing room anyway lol
59AnonymousSep 15, 2026 16:01
He's still on X?
Nobody could dare cast a guy this scary lol
72AnonymousSep 15, 2026 16:13
Didn't he quit social media?
Is he just back like nothing happened?
78AnonymousSep 15, 2026 16:19
Re: #72
'This will be my last post' probably just meant he'd stop posting about the whole mess with Fuji TV, right?

Background and key points of this topic

This year, Jiro Sato has repeatedly drawn attention for his social-media remarks amid reports of harassment toward a co-star and reports that Ai Hashimoto refused to work with him again. He’s also known for a past statement declaring a certain post would be his “last one,” so without that context it’s hard to see why this lighthearted mix of a diet confession and show plug drew so much reaction. Opinions in the thread split two ways: those who took it as simple weight-gain banter, and those who criticized the resumption of his social-media activity itself as “saying one thing and doing another” or as being purely for show promotion. It should be noted, for clarity beyond what the article itself states, that the only things Sato explicitly states in the post are his weight gain, his resolve to diet, and the announcement of his appearance on “Rekishi Tantei” airing the next day, the 16th — he does not directly address the past harassment allegations himself.

*This article is excerpted and summarized from the 5ch (Geinou/Sports News+) thread “Actor Jiro Sato suddenly confesses: ‘Right now, I’m the heaviest I’ve ever been in my life… I’ve got to work hard on my diet’ — also announces TV appearance.”

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