WOBKEY Rainy 75 Pro JIS Review

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Rainy fans, here we go!

Finally, the Japanese-language array is available.

WOBKEY Rainy75,” a high-end keyboard that has been a big hit not only in Japan but also all over the world, finally has a long-awaited Japanese layout model.

The heavy CNC aluminum alloy housing, meticulously calculated 5 layers of sound deadening foam, and a unique gasket structure allow users to enjoy the “rain-like keystroke sound” that has been the most distinctive feature of the product.

For Japanese people, it is not uncommon to want to type in the familiar Japanese layout.

This article looks at the true value of the Rainy 75 Pro JIS, which is incredibly complete at this price point.

WOBKEY Rainy 75 Pro JIS was provided by KIBU Corporation for promotional purposes.
GreenEchoes Studio, which operates Greenkeys, may receive compensation if a contract is signed from a link in this article.

Rainy75JIS 34
総合評価
( 4.5 )
メリット
  • 待望の日本語配列でスイッチングコストなくタイピング体験ができる
  • 雨音のような打鍵音を楽しむことができる
  • 重厚感あふれるCNCアルミ合金筐体と洗練されたカラーチョイス
  • 物理的に重量があることでタイピングが安定しやすい
デメリット
  • カスタマイズ(VIA)の初期設定にひと手間必要
  • 重量がありすぎることで持ち運びは難しい
  • コスパ最高だが一般的なキーボードと比較すると高額
  • カラーバリエーションが少ない
  • 打鍵音が大きいためオフィスでの利用はスイッチの変更が必要

This page contains advertisements. Products and links provided by manufacturers may be included, but will be fairly verified and clearly disclosed in accordance with our editorial policy.

この記事の著者
Kawamura top R

Editor-in-Chief of Greenkeys / Web Writer

Ryosuke Kawamura

Consistently responsible for interviewing, verifying, photographing, measuring, and writing all content.

We emphasize editorial independence and clear disclosure.

For review and PR inquiries, please see our media materials.

@Hottyhottea

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Price, sales format, and availability

  • Availability: ★★★★★ (very easy to obtain as they sell stock)
  • Price range: 27,720 yen (tax included)
  • Form of sales: Normal sales
  • Scheduled to be resold: Always sold in stock
  • Where to get it: KIBU official store

WOBKEY Rainy 75 Pro JIS Specifications Overview

The Rainy 75 Pro JIS is compact with a 75% array and encompasses the specifications required of a high-end machine.

(data) itemContents
Product nameWOBKEY Rainy 75 Pro JIS
brandWOBKEY.
Domestic SalesKIBU Shop
category75% Mechanical keyboard (complete)
array (programming, programing)Japanese Array (JIS)
Housing materialCNC aluminum alloy (with engraved rain cloud motif logo)
weight(Stainless steel weights back)
inner structure5-layer sound deadening foam / gasket construction with 14-grain cylindrical rubber parts
access method3 modes (wired / 2.4G wireless / Bluetooth)
battery7000mAh (Pro model: up to 900 hours of use)
keymap changeVIA compliant (requires import of .json files)
Main FeaturesKeystroke sound like rain, simple and luxurious design
Price27,720 yen (tax included)

Review Environment

The review environment is as follows

  • Connection environment: macOS
  • Switch used: KAILH Cocoa Switch
  • Layout: 75% Japanese layout
  • Primary use: content writing (typing Japanese)
キースイッチスペックはこちら▷▷
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KAILH Cocoa Switch: Pre-lubricated
Type: Linear
Actuation point: 2.0±0.4mm Stroke: 3.6±0.04mm
Initial Push Pressure: 45±5gf Spring: 22mm

Evaluation of WOBKEY Rainy 75 Pro JIS keystroke feel and sound

  • Loudness of keystrokes: ★★★★★ (distinctly loud. (The type of keyboard that enjoys sound)
  • Sound height: Slightly lower (equivalent to general keyswitches)
  • Key weight: normal (45gf is relatively standard in many cases)
  • Sense of bottoming out: slightly fluffy
  • Key wobble: normal

WOBKEY Rainy 75 Pro JIS Attraction

WOBKEY Rainy 75 Pro JIS Attraction

  • The long-awaited Japanese layout provides a typing experience without switching costs.
  • Enjoy the sound of keystrokes like the sound of rain.
  • Heavy CNC aluminum alloy housing and sophisticated color choices
  • Physical weight makes typing more stable.

The long-awaited Japanese layout provides a typing experience without switching costs.

Rainy75JIS 03

After all, the most attractive feature of the Rainy75 Pro JIS is that it is a Japanese-language model.

The “Rainy75,” which became a big hit starting with Makuake, was an English sequence (ANSI).

Many people may have been attracted by its good looks, cosy appearance, and “rain-sounding typing sound,” but may have been put off by its “English layout.

Kawamura top RKawamura

Most notebook computers and keyboards distributed in Japan have Japanese keyboards. In the Japanese market, English keyboards are still a niche product.

However, this time Rainy75 is a “genuine Japanese sequence”.

Unlike the “fake Japanese layout” that is often seen, both the “RO (\_)” button and the “HANKAKU / FUZENKAKU” button are equipped, and there are no major differences from the Japanese layout that is normally used.

Many people may have made this decision and purchased the product.

Enjoy a new typing experience with a rain-like typing sound

Even with the Japanese layout, the “rain-sounding keystroke sound” is of course still present.

Five layers of sound deadening foam and a unique gasket structure with 14 cylindrical rubber parts holding the PCB in place thoroughly eliminate unwanted impact and noise during keystrokes.

This will allow you to enjoy a “new typing experience” that is both moist and soft, yet has a core.

In addition to this gasket-mounted structure, a slit (flex-cut) switch plate, Kailh key switch, and aluminum case can only be combined to produce a “rain-like” keystroke sound.

Heavy CNC aluminum alloy housing and sophisticated color choices

Rainy75JIS 05

As mentioned earlier, the Rainy75 Pro JIS uses an “aluminum body”.

The only color variation available in Japanese is black, but the matte texture is extremely beautiful, and combined with the glass weight on the back, it has a very heavy and luxurious look.

This is an item that you can feel the pleasure of owning just by having it.

Physical weight makes typing more stable.

Rainy75JIS 18
Equipped with heavy stainless steel weights

The Rainy75 Pro JIS weighs a whopping 2 kg.

Because of this weight, it is unlikely to move with typing.

Although not ideal for carrying around, the sheer weight allows for solid and stable typing.

Things to consider before purchasing WOBKEY Rainy 75 Pro JIS

Things to consider before purchasing WOBKEY Rainy 75 Pro JIS

  • Initial setup for customization (VIA) requires a bit of work.
  • Too heavy to carry.
  • Cost-effective but expensive compared to typical keyboards
  • Fewer color variations

Initial setup for customization (VIA) requires a bit of work.

This is due to the specification of the keymap modification web application called “VIA” that is used, but a dedicated keymap modification file called “.json” must be prepared in order to change the keymap.

Download JSON file and firmware ▷▷▷

The Vial and ZMK Studio systems do not require such files, and I had the impression that this was somewhat inconvenient for VIA adoption.

Kawamura top RKawamura

VIA has an installed version and a WEB version.
With the WEB version, once the .json file is loaded, there is no need to load it the next time.

VIAで.jsonファイルを読み込む方法▷▷
STEP
Show Design tabを有効化する
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Go to VIA, click on the gear symbol→Switch the “Show Design tab” slider to “On” at the top.

STEP
.jsonファイルを読み込む
21f0668bd306f27143d1852ad65d7612

Load the downloaded .json file from “Load” in the Design tab.

For models with multi-layout-compatible boards, turn on “Use V2 definitions”.

STEP
CONFIGUREタブから再度キーボードを読み込む
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From the CONFIGURE tab, click “Authorize device” and select the USB-connected keyboard to change the keymap.

MOD-TAP(単押し長押し設定)や同時押し設定方法はこちらからご確認いただけます。

Too heavy to carry.

Rainy75JIS 17

As reported earlier, the Rainy75 Pro JIS weighs approximately 2 kg.

It is not at all portable and would be difficult to carry and use.

Since it is almost a lump of metal, please be very careful as there is a high risk of injury if it is dropped and hits your body.

Cost-effective but expensive compared to typical keyboards

From a keyboard fan’s point of view, the fact that a keyboard with these specs can be purchased for this amount of money definitely gives a sense of “astonishing cosmetics”.

Kawamura top RKawamura

It is truly amazing that a high-end keyboard with specifications at a level that could be called a high-end keyboard costs less than 30,000 yen.

However, this is only the “enthusiast’s feeling,” and for those who generally type on keyboards on a regular basis, it is inevitable that they will still be seen as “expensive.

Most keyboards available at electronics retailers can be purchased for less than 5,000 yen, and even “high-end” keyboards from major mass retail brands can be purchased for less than 20,000 yen.

In such a general “Japanese-language keyboard in Japan” genre, it may be a product in a price range that is a bit difficult to afford.

Fewer color variations

Rainy75JIS 08

Compared to the color variations of the Rainy75 with ANSI layout, the Japanese-language version has fewer color variations and is available in only one color.

Black is a definite color scheme, but some may say they wanted a “white model”.

Loud keystrokes require switch change for office use

Rainy75 is a keyboard that “enjoys” the feel and sound of typing, and is by no means a quiet typing keyboard.

Therefore, it is difficult to use them in the office as they are sold.

Kawamura top RKawamura

It feels super nice to type, but the volume is so loud that if you do this at your desk at work, you are likely to antagonize those around you.

If you want to use them in your office, replace them with quiet switches.

612
Representative of silent keyswitches: Kailh Deepsea Island Linaer

WOBKEY Rainy 75 Pro JIS Review

Let’s take a look at the actual product.

It has a familiar pop exterior.

Rainy75JIS 41

This molded logo is quite intriguing.

Rainy75JIS 40

A specs sticker is securely attached to the side of the box.

Rainy75JIS 39

Contents include the following

  • Rainy75 Pro JIS main unit
  • manual
  • simplified manual
  • Replacement keycap (control1.25u/Cmd1.25u/Opt1.0u)
  • Spare key switches (3)
  • Key Cap/Key Switch Puller
  • 2.4GHz dongle
  • USB cable (C to A)
Rainy75JIS 38
Rainy75JIS 37
Rainy75JIS 35
Rainy75JIS 36

Let’s take a look at the exterior.

It has a black machined aluminum case with black and gold printing on the alpha keys and gray and white printing on the mod keys.

Rainy75JIS 34

There is the “half/full-width” key, which is indispensable for Windows users.

Rainy75JIS 31

The horizontal shift of row Z is the same as for normal Japanese alignment.

Rainy75JIS 33

The F rows are not jammed together, as is often the case with 75% layout keyboards, but are firmly independent of each other.

Rainy75JIS 24
Rainy75JIS 25

The devil’s gate for the 75% Japanese sequence is the lower right corner.

In order to co-locate the arrow key, right shift, and “ro”, it is inevitable that the right shift key is 1u size.

Rainy75JIS 32
Kawamura top RKawamura

I personally like the lack of key placement to the right of the arrow key.
Touch typing reduces mistouches.

Rainy75JIS 28

The space bar size is 3.75u, which is slightly less compatible with commercially available Japanese keycaps, but WoB keycaps will be able to support replacement except for the space bar.

Mac users may be able to replace the keycaps with the following arrangement.

Kawamura top RKawamura

The mixing of control and Ctrl and the upper left-aligning and lower left-aligning of the legend are due to keycap reasons.

Rainy75JIS 16

The red of the keyswitch plate is faintly visible from different angles.

Rainy75JIS 27

Let’s look at the sides as well.

The side looks as if it is divided into two sections: the base section and the keycap section.

Rainy75JIS 23

It has a two-layered structure with a top frame and bottom case. The case itself is screwed in place, but the board is gasket-mounted.

Rainy75JIS 21

It is a gasket-mounted structure, not a top-mounted structure.

Reference: Yusha Kobo

There is only a USB port on the back and no slide switch.

Rainy75JIS 22
Rainy75JIS 20

It should be noted that the CapsLock key must be removed to turn the wireless switch on and off.

Rainy75JIS 07

The typing angle is fixed at 6 degrees and there is no tilt leg.

Rainy75JIS 2

The back is simply fitted with bar-type rubber feet and stainless steel weights.

Rainy75JIS 19
Kawamura top RKawamura

I have the Lite version of ANSI, but that one is glass weighted.
After all, the stainless steel weight of the Pro version is very heavy.

Rainy75JIS 18
Rainy75JIS 17

The switch plate material is FR4 and is flex-cut.

Rainy75JIS 15

The ANSI Lite version was made of PC material, but again, FR4’s flex-cut gives a strange “core but soft” feel to the keystroke.

The keyswitch uses Kailh Cocoa 45gf linear switches.

Let’s look at keycaps.

Homing key is bar type.

Rainy75JIS 30

The key profile is Cherry, with different slopes for different rows.

Rainy75JIS 1

The keytops are arched.

Rainy75JIS 11

This is a type of keycap with hiragana legend.

The material is made of PBT, and a low, rumbling bass sound can be expected.

Rainy75JIS 12

To my surprise, this is a double shot.

Rainy75JIS 10

The Japanese layout differs from the English layout in that the printing of symbols, etc. differs significantly.

Therefore, it seems possible that the mold was created from a die for the Rainy75 Pro JIS.

Kawamura top RKawamura

Perhaps it is possible that the hiragana legend part is sublimation printing.

Rainy75JIS 09

summary

Rainy75JIS 05

This is our review of the Rainy75 Pro JIS, which is now available in the long-awaited Japanese-language layout lineup.

The fact that only one coloring can be selected may be a bit of a turn-off for some tastes, but those who are into this keyboard are sure to love it.

If you are interested, please check out the official website.

Rainy75JIS 06

27,720-(tax included)

  • First written on: February 20, 2026
  • Last update: February 20, 2026
  • Method of coverage: Product offer
  • Reference and image credit: https://kibushop.com/products/wobkey-rainy-75-pro-jis
  • Conflicts of interest: Product offering: Yes Monetization link in this paper: Yes

Greenkeys operates solely on performance-based advertising and does not use Google ads because they reduce usability.
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