Kinshicho Yobai Uemon Shouten: I Priced Every Course. Nobody Should Ever Buy the 50.

ElonI've written about this brand's Shimbashi branch before, and that piece was about whether the concept was real. This one isn't about the concept at all. This one is about arithmetic — because the Kinshicho branch publishes an unusually complete price board, and when you actually divide the numbers instead of reading them, the shop's cheapest course turns out to be the most expensive thing in the building.

Kinshicho is where Tokyo stops performing. Cross the tracks south of the station and the city drops the Ginza posture entirely: the hotel street, the standing bars, the guys who came one stop from Sumida in gym sandals. It's a district that doesn't care how you look, which is most of its appeal and all of its economy.

Kinshicho Yobai Uemon Shouten — 錦糸町夜這右衛門娼店 — sits in the middle of that. It's a hitozuma (married-women) delivery health shop: you book by phone, a woman is dispatched to your hotel or your place, and the room is your problem. The concept line is unambiguous about what it sells:

夜這い、逆夜這い、人妻、即尺、痴漢、拘束、目隠し

Night-crawl, reverse night-crawl, married women, restraint, blindfold. That's a yobai shop — the old rural night-visit premise, staged as roleplay. Three named courses, all of them theater, all of them priced differently.

And the banner number is ¥14,000.

I want to be precise about what happens to that ¥14,000, because it doesn't survive contact with the rest of the page.

Three courses, and a surcharge that doesn't scale

The shop runs three parallel course lines at six lengths each. Same clock, different scene.

The Yobai course is the house default — the woman waiting on the futon in cuffs and an eye mask, the guest arriving as the intruder. Chikan is the commuter-train premise, ¥1,000 more. Reverse Yobai inverts the roles — the guest is the one blindfolded and cuffed and waiting — and costs ¥2,000 more.

Here's the part worth catching: those premiums are flat. Not percentages. The reverse course costs exactly ¥2,000 more whether you book 50 minutes or 150.

Which means the exotic option gets proportionally cheaper the longer you stay. At 50 minutes, the reverse premium is 14% of your ticket. At 150 minutes it's 5.4%. If the inverted scene is the one you actually came for, the shop is quietly rewarding you for buying runway — and a role-reversal premise with a build in it needs the runway anyway. That's the rare case where the upsell and the good advice point the same direction.

The per-minute math, which is where it gets ugly

Now divide. This is the standard Yobai line, cost per minute at every rung:

Two things fall out of that table.

First, the 50 is the worst value on the board. ¥280 a minute, against roughly ¥245 everywhere else. It's the only rung priced above the shop's own flat rate, and it's the one the banner leads with.

Second, the 50-to-70 step is the cheapest twenty minutes in the entire shop. Three thousand yen for twenty minutes is ¥150 a minute — forty percent under the ¥250 that every later step costs. There is no other move on this board that buys time at that rate. If you were ever going to spend an extra ¥3,000, spend it there.

Then there's the extension, and the extension is a different animal:

30-minute extension: ¥10,000.

That's ¥333 a minute — a third more than the ¥250 you'd pay to pre-book the same time as part of a longer course, and it's the single highest per-minute number the shop charges for anything.

ElonEvery shop taxes the extension a little. This one taxes it 33%. Deciding to stay costs a third more per minute than planning to stay — and at a concept shop, where the whole product is a scene with a setup and a payoff, the moment you're most likely to want more time is exactly the moment you have the least leverage. Buy the length you want at the door. The extension is not a safety net, it's the most expensive product on the menu.

What ¥14,000 actually costs

Now put the door fees back on, because they aren't optional and they aren't in the banner.

Entry is ¥2,000 on every booking. You're also going to pick a woman — that's ¥2,000 to nominate, or ¥1,000 if you request her online, which is the cheaper of the two and the one to use.

So the actual floor, cheapest course, cheapest nomination route, standing inside the free transport zone:

¥14,000 + ¥2,000 + ¥1,000 = ¥17,000, plus whatever the room costs.

That's ¥340 a minute for fifty minutes, and it's twenty-one percent above the number on the banner. Which is normal for this trade and worth saying out loud anyway: the headline is the course, not the evening.

The new-customer coupon makes the 50 pointless

There's a first-timer coupon — ご新規様【70分15,000円】 — running since 2026/04/16 with no end date. It waives the entry fee, the nomination fee, the online-request fee and the ¥3,000 costume option, and knocks the course itself down ¥2,000.

The shop advertises it as 35% off. That figure is measured against a ¥23,000 sticker that includes a ¥3,000 costume most people weren't going to buy, so let me price it against what you'd genuinely have spent instead — board price plus entry plus online request:

Look at the "Saved" column. It's ¥5,000 at every single length. The discount is a flat sum, not a rate — so its percentage value collapses as you buy longer, from 25% down to 14%. The coupon is at its most powerful on the shortest course it covers and gets steadily weaker from there.

And now the finding that actually changes what you should do:

The coupon's 70 minutes costs ¥15,000. The board's 50 minutes really costs ¥17,000.

Twenty extra minutes, two thousand yen less. ¥214 a minute against ¥340 — the best per-minute number anywhere in this shop, against the worst. If you are a first-time customer here, the 50-minute course is not the budget option; it is strictly worse than the coupon course on both axes at once. There is no version of "I only want to spend a little" that makes the 50 the right call.

The coupon starts at 70 minutes and doesn't cover the 50, and honestly it doesn't need to. It replaced it.

Special courses cost ¥1,000–¥2,000 extra on the coupon, same as on the board. Say 「ヘブンネットを見た」 — "I saw it on Heaven" — when you call.

The review coupon buys four stars

The second coupon, 口コミ割り, is the one I'd read carefully:

プレイ後10分間で口コミ投稿をしていただくと、その場で2,000円キャッシュバック

Post a review within ten minutes of the session and get ¥2,000 back on the spot. To qualify you need a Cityheaven account beforehand, you have to tell staff you're doing it before the session starts, and — the condition that matters — the review has to be four stars or better.

ElonNothing here is hidden — the ☆4 minimum is printed right in the terms, which is more disclosure than most shops running this play bother with. But understand what it means when you read this shop's reviews: a share of them were written inside a ten-minute window, by someone who had to clear four stars to get paid, who told the staff in advance they were writing it. That's not fraud. It's just a review score you should discount before you trust it. Read the diaries and the roster instead — those aren't on a bounty.

The heat discount is indexed to the weather, and it's narrower than it looks

The banner running across the top of the page in August is the strangest thing here and the one I'd have most liked to find on more shop pages:

【8月限定】暑いほどお得！灼熱タイム割 — 気温が上がれば、お得も上がる。

August only. The hotter it gets, the better the deal. The discount is indexed to the actual air temperature:

That's a genuinely fun mechanic. It's also worth reading the top row and the bottom row next to each other, because the banner does not want you to.

The cash discount stops rising at 33°C. The 36°C tier is drawn in flames, labeled "MAX activated," and given twice the visual real estate of the other two — and it hands you exactly the same ¥2,000 as the 33–35°C tier. The entire upgrade for crossing from 35°C to 36°C is ¥1,000 in loyalty points. In Tokyo, 33–35°C in August is an ordinary week; 36°C is a headline. The tier designed to look like the jackpot is the one you'll almost never hit, and it isn't a jackpot.

Then the conditions, which are the real story:

• 13:00–14:59 only. A two-hour window in the middle of the afternoon.
• 90 minutes and up only.
• 本指名・他割引併用不可 — no stacking with other discounts, and not valid with repeat nomination.
• カード不可 — cash only.
• Say 【灼熱タイム割】 when you book.

Stack those up and the eligible customer is quite specific: someone free at one in the afternoon, buying at least 90 minutes, not going back to a woman they've already seen, paying cash, in August.

And here's what the no-stacking rule does to a first-timer. Take the 90-minute course on a normal 34°C Tokyo afternoon:

The coupon wins by ¥3,000, because it waives the door fees and the heat discount doesn't. If you have never been to this shop, the temperature is irrelevant to you — take the new-customer coupon and ignore the banner entirely.

The heat discount is aimed at your second visit: the coupon is spent, you're not committed to a particular woman yet, and you can get to Kinshicho by one o'clock. In that narrow slot it's real money. Outside it, it's weather.

Options: two free, one that's a phantom, and a cliff at 90

The option sheet is tiered cleanly:

The cuffs and the eye mask — the two props the entire yobai premise is built on — are free. That's the right call and worth crediting. A shop that charged ¥2,000 for the blindfold would be selling you the concept twice.

The ¥3,000 costume is the phantom I mentioned: it's a real option, but it's also the line item that inflates the new-customer coupon's advertised discount from a genuine 25% to a headline 35%. And note the cliff at 90 minutes, where the ¥2,000 wand goes free — one more small nudge toward buying length rather than extending into it.

The transport map says who this shop is for

Very few shops publish transport this precisely. Six tiers, by ward:

Read that as a map of intent. The shop is free in its own hotel district and charges ¥5,000 to reach the western suburbs — more than a third of the 50-minute course price just to move the woman. Dispatch nominally reaches all of Tokyo, with Sumida, Taito, Koto and Chiyoda as the working base.

The lesson is blunt: use this shop in Kinshicho. Every ward you drift west is money that buys you no additional minutes. A ¥15,000 coupon booking out in Nerima is a ¥20,000 booking, and at that point you've spent the entire coupon on the taxi.

Who's actually on the roster

I counted the full girl list: 57 women.

Youngest 26, oldest 46, median 35, mean 34.4. And the concentration is tighter than even that suggests — 31 of the 57, or 54%, are between 33 and 38. For a hitozuma shop that's a coherent roster rather than a scattered one: three-quarters of it sits in a single decade, and over half of it in a six-year band. You know what you're booking.

Fifty-seven women is a substantial floor for a single Kinshicho deriheru. One newcomer, ゆり (32), joined on 8/4 under a 新人入店割 new-staff discount whose amount isn't published — ask on the phone.

About the shop

Delivery health (deriheru), married-women concept, dispatching from Kinshicho, Sumida Ward, Tokyo. Tel 03-6824-7570 — say 「ヘブンネットを見た」 when you call. Hours 10:00 to 3:00 the following morning, no closing days listed. Three course lines: Yobai (50 min ¥14,000 → 150 min ¥37,000), Chikan (¥15,000 → ¥38,000), Reverse Yobai (¥16,000 → ¥39,000), at 50/70/90/110/130/150 minutes. Entry fee ¥2,000; nomination ¥2,000; online request ¥1,000; 30-minute extension ¥10,000. Transport ¥0 in the Kinshicho south-exit hotel area, tiering to ¥5,000 for the outer western wards. The hotel room is not included. Cuffs and eye mask free; options from ¥1,000 to ¥10,000; costumes ¥3,000; the ¥2,000 wand is free on courses of 90 minutes and up. Two coupons: new-customer (70 min ¥15,000, valid from 2026/04/16, no expiry, waives entry/nomination/online-request/costume, special courses +¥1,000–2,000) and the review coupon (¥2,000 cash back on the spot, review posted within 10 minutes, prior Cityheaven registration and advance notice to staff required, ☆4 minimum). An August-only 灼熱タイム割 campaign runs 13:00–14:59 on courses of 90 minutes and up, giving ¥1,000 off at 30–32°C, ¥2,000 off at 33–35°C, and ¥2,000 off plus 1,000 Y-points at 36°C and above, all tiers including a drink; it is cash only and cannot be combined with other discounts or with repeat nomination. Roster of 57, ages 26 to 46, median 35. Sister branch: Shimbashi Yobai Uemon Shouten. As a licensed delivery health business, penetrative sex is not offered — that's the legal definition of the category, not a house rule. No under-18s admitted and none employed. Japanese-language site with no stated English support; assume the phone line is Japanese-only.

The verdict

Four stars, and I'll tell you exactly what earned them: this shop publishes enough to be criticized.

That sounds like faint praise. It isn't. I could write this entire article because every number I needed was on the page — three full course lines, every door fee itemized, a six-tier transport map by ward, coupon terms with the ☆4 condition printed rather than whispered. Most shops in this trade publish a headline and a phone number and let you discover the rest at the door. When I divide this shop's numbers and don't like an answer, the shop is the one that handed me the numbers.

What I'd dock: the ¥10,000 extension, which is a 33% tax applied at the exact moment you have no leverage, and the review bounty, which quietly puts a floor under the star rating you'd otherwise use to judge the place.

So, concretely. If you've never been here, book the 70-minute new-customer course at ¥15,000 — it costs ¥2,000 less than fifty minutes at board price and gives you twenty more of them, it's the best per-minute rate the shop has by a wide margin, and it beats the heat discount by ¥3,000 no matter what the thermometer says. On your second visit, if you can make a one-o'clock start and pay cash, 90 minutes with the 灼熱タイム割 is the next-best number on the page. If you're past both, buy the 70 over the 50 anyway, because that particular twenty minutes costs ¥150 a minute and nothing else in the building is that cheap. If the reverse-yobai premise is what you came for, buy it long — the ¥2,000 premium is flat, so it shrinks against the ticket. Never plan to extend. And stay in Kinshicho, where the woman travels free and your coupon stays a coupon.