Soapland Bribery Scandal: Ex-Todai Professor Demanded Brothel Treats — Then Paid Out of Pocket for a ‘2-Hour, ¥80,000’ Encore

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The story

A former University of Tokyo professor received entertainment at a soapland (a Japanese bathhouse-style brothel) in exchange for granting favors related to cosmetics business dealings, Daily Shincho reported on October 1. According to testimony from the businessman who bribed him, the professor procured erectile dysfunction medication from a pharmacy beforehand, insisted on showering before each session and on being the “first customer of the day” (kuchiake), and even held a post-session “kansōsen” — literally a shogi/go term for reviewing moves after a match, borrowed here mockingly — to discuss his impressions afterward. It also emerged that he paid out of pocket for an extra 2-hour, ¥80,000 session. On 5ch, the thread filled up with disbelief and mockery at the professor’s personal “creepiness,” questions about why the cosmetics industry would entertain a university professor in the first place, and tangents about the realities of Japan’s sex industry.

Briber Spills the Beans: Ex-Todai Professor’s “Nauseatingly Detailed Post-Session Debrief” and Obsession With Pre-Session Showers in Soapland Bribery Case — Even Paid Out of Pocket for a “2-Hour, ¥80,000” Encore

Thu, Oct 1, 11:21 AM JST

Daily Shincho

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

What people said

3AnonymousOct 1, 2026 17:30
"I took the ED meds beforehand, came fully prepared."

That's just sad…
153AnonymousOct 1, 2026 18:47
Re: #3
And get this — both of them did it, lol
6AnonymousOct 1, 2026 17:31
Well yeah, obviously you're not gonna buy ED meds at your own workplace.

>>"Yoshizaki said, 'Buying it at Todai would look suspicious, so I stopped by a clinic in Ueno instead.'"
50AnonymousOct 1, 2026 17:46
Re: #6
Why even buy it — just borrow something another lab on campus is testing and call it an experiment
210AnonymousOct 1, 2026 19:31
Re: #6
Good thing you can just grab that stuff at the local pharmacy these days
8AnonymousOct 1, 2026 17:31
Getting hooked on sex workers at that age is just gross
113AnonymousOct 1, 2026 18:22
Re: #8
Once you discover the sex industry past 40, you get hooked.
I took a divorced friend to a soapland to cheer him up, and now he's hooked — goes every week.
Apparently he's dropping ¥500,000–600,000 a month on it.
9AnonymousOct 1, 2026 17:32
This is the level we're dealing with at Todai.

Pretty low level.
11AnonymousOct 1, 2026 17:33
Re: #9
Keio's probably worse though
10AnonymousOct 1, 2026 17:32
You shower before going to take a bath?
17AnonymousOct 1, 2026 17:35
Re: #10
Probably angling for instant oral service (slang: 'sokushaku')
15AnonymousOct 1, 2026 17:35
What's the Japan Cosmetic Industry Association even getting out of wining and dining a Todai professor?
66AnonymousOct 1, 2026 17:58
Re: #15
An academic seal of approval for joint cosmetics research
166AnonymousOct 1, 2026 18:56
Re: #15
So they can slap "Recommended by Professor Shinichi Sato of the University of Tokyo" on the packaging (you know, with that smiling, arms-crossed pose). And while they're at it, get his blessing on copy like "99.9% of women's skin becomes maximally radiant," or whatever.
16AnonymousOct 1, 2026 17:35
Ah, so that's why they picked a female university president
159AnonymousOct 1, 2026 18:50
Re: #16
If it were a man, he'd just end up getting wined and dined at a soapland again
176AnonymousOct 1, 2026 19:02
Re: #16
Sounds like it was decided before the vote even happened
190AnonymousOct 1, 2026 19:17
Re: #16
Exactly.
Also to climb higher in the world university rankings.
By the way, as for the "student diversity" metric they get scored on —
no worries there, 30% of the grad students are already Chinese.
20AnonymousOct 1, 2026 17:36
If you're gonna go to a soapland, you've gotta be the first customer of the day! The professor really knows what's up
35AnonymousOct 1, 2026 17:41
Re: #20
What's 'kuchiake'?
49AnonymousOct 1, 2026 17:45
Re: #35
It means the very first customer a sex worker sees that day.
56AnonymousOct 1, 2026 17:49
Re: #35
"I'm still a virgin today" (the line sex workers jokingly use with their first customer of the day)
28AnonymousOct 1, 2026 17:40
Pretty graphic stuff. But yeah, this is probably just what the rotten elite are really like.
186AnonymousOct 1, 2026 19:12
Re: #28
He's exactly like those corrupt bigwigs you see in manga, lol
40AnonymousOct 1, 2026 17:43
Imagine having a husband or father exposed for something this embarrassing… you'd want to cut ties immediately…
46AnonymousOct 1, 2026 17:44
Re: #40
He's probably already been cut off, lol
42AnonymousOct 1, 2026 17:44
I mean, who cares, honestly — if he's spending his own money
45AnonymousOct 1, 2026 17:44
Graduated from Todai's med school, climbed all the way to the top,
and ends up dying as 'the old man who begged for brothel favors' — wonder what that feels like
47AnonymousOct 1, 2026 17:45
Guess this is what happens when a guy who never fooled around in his youth finally cuts loose
90AnonymousOct 1, 2026 18:12
Re: #47
Guys with a strong sex drive have been doing this since they were young
96AnonymousOct 1, 2026 18:16
Yeah, the bubble-era generation really are idiots (slang for Japanese born in the late '60s/early '70s who came of age during the late-1980s economic bubble)
110AnonymousOct 1, 2026 18:20
Re: #96
That's me last month, lmao🤣
137AnonymousOct 1, 2026 18:34
I'm 32 and still a virgin
…maybe I should try going to a sex worker…
147AnonymousOct 1, 2026 18:43
Re: #137
Order and method don't matter.
Learning how to 'conquer' women is what makes a man grow up
158AnonymousOct 1, 2026 18:50
Re: #137
Don't do it, man.
You'll just end up with some unattractive woman who's loose and smells bad down there,
and you might catch some weird disease.

Background and Points of Discussion

This report is based on testimony from the businessman who paid the bribes, and it’s worth noting that neither the University of Tokyo nor the professor himself has confirmed or denied the allegations at this stage. As for why the industry entertains researchers in the first place, cosmetics companies want an academic “seal of approval” to boost consumer appeal, and that motivation tends to run stronger for products — like cosmetics — that are hard to back up with hard scientific evidence. While the thread was mostly about mocking the professor personally, it also touched on a tension between the “no problem if he’s spending his own money” self-responsibility argument and the question of how to judge the ethics of a researcher holding a public position. Note that “kansōsen” is a term from shogi and go, referring to reviewing one’s moves after a match — here it’s used mockingly to describe recapping the brothel experience. Readers should keep in mind this is based on one-sided testimony at the reporting stage.

*This article is excerpted and summarized from the 5ch (News Express+) thread “[Soapland Bribery] What the Former Todai Professor Said About the ‘Nauseatingly Detailed Post-Session Debrief’ and Obsession With Pre-Session Showers — Even Paid Out of Pocket for a ‘2-Hour, ¥80,000’ Encore.”

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