株式会社レインズインターナショナル News Releases

Gyukaku Supports Students' Summer Break! All-You-Can-Eat & Drink for Just ¥2,500 – Soft Drinks Now Free During Limited-Time Campaign

Gyukaku launches a limited-time summer campaign from July 21 to September 18, 2026, offering free so… · 2026-07-14

[Shabu-Shabu On-Yasai] First Ever Student-Only Plan! All-You-Can-Eat + All-You-Can-Drink for Just ¥2,500!! "Student Group Limited All-You-Can-Eat & Drink" Now Available ~Includes Over 40 All-You-Can-Eat Items and Soft Drink Bar~

Rains International Co., Ltd., part of the Colowide Group, will launch the "Student Group Limited Al… · 2026-07-08

This Summer, Enjoy a "Slightly Upscale Korean Journey" at "Shabu-shabu Onyasai"! Limited-Time Fair Featuring Two Types of Korean Hot Pots: "Seafood Kimchi Hot Pot" & "Gomtan Hot Pot," and the Korean Food Culture of "Banchan"

Rains International Co., Ltd., operating under the Colowide Group, is pleased to announce that its "… · 2026-07-01

[Gyu-Kaku] Summer "Great Yakiniku Festival" Held! Draft Beer 190 Yen, Kalbi 290 Yen, Harami 390 Yen! All 25 Items at Special Prices, Unlimited Servings/Drinks - A Major Summer Campaign for Our 30th Anniversary!

Gyu-Kaku, operated by RAINS INTERNATIONAL CO., LTD. as part of the Colowide Group, will hold the "Su… · 2026-07-01

Shabu-Shabu Onyasai Launches Limited-Time Summer Korean Hot Pot Festival Featuring 'Seafood Jjigae' and 'Kkomtang'

Shabu-Shabu Onyasai, operated by Rain's International (Colowide Group), will launch a limited-time s… · 2026-07-03

[Tonkatsu Kagurazaka Sakura] Plump & Crispy 'Toki-aji Fry' Appears - Enjoy the Branded True Horse Mackerel's Sweet Fat with 'Grated Wasabi Soy Sauce'

Tonkatsu Kagurazaka Sakura, operated by REINS international inc., will release a limited-time fried … · 2026-03-30

Shabu-shabu Onyasai Launches Super Cost-Effective Plan: "Hot Pot + 2h All-You-Can-Drink" for 1,980 Yen ~Proposing a New "Shabu-shabu x Sakaba" Style for Casual Everyday Use~

Shabu-shabu Onyasai is offering a limited-time "Nabe Nomi Set" on weekdays, featuring a choice of ho… · 2026-03-30

Shabu-shabu Onyasai: New Life Support Campaign Offers All-You-Can-Eat 20% Off on Weekdays and 10% Off on Holidays ~Plus! Half Price for Elementary School Students, Free for Preschoolers, 500 Yen Off for Seniors~

Shabu-shabu Onyasai is launching a New Life Support Campaign from April 6-24, 2026, offering 20% off… · 2026-04-06

[Part 2] Gyu-Kaku x Detective Conan "Original Goods" 12 Designs Unveiled! Commemorating the Release of "Detective Conan: The Fallen Angel of the Highway" Movie ~Win a "Complete Set" in a Follow & Repost Campaign!~

Gyu-Kaku is launching the second phase of its collaboration campaign with Detective Conan, celebrati… · 2026-05-11

[Gyukaku Yakiniku Shokudo] Reaches 90 Stores Nationwide & First Store in Saga Prefecture! 'youme Town Saga Store' Opens April 22 (Wed)

Colowide Group's 'Gyukaku Yakiniku Shokudo', a food court specialty store, will open its 90th locati… · 2026-04-15

[Tonkatsu Kagurazaka Sakura] Plump, Thick-Cut & Crispy: The "Toki Aji" (Seasonal Horse Mackerel) Fry Arrives – Enjoy the Brand-Name Horse Mackerel, Known for Its Sweet Fat, with Grated Wasabi and Soy Sauce

Tonkatsu Kagurazaka Sakura is introducing a limited-time menu featuring "Toki Aji," a premium brand … · 2026-03-30

Shabu-Shabu Onyasai Launches Super Value 'Hot Pot + 2-Hour All-You-Can-Drink' Plan for 1,980 Yen: Proposing a Casual Daily Dining Style with 'Shabu-Shabu x Izakaya'

Shabu-Shabu Onyasai is introducing a weekday-only 'Hot Pot Drinking Set' from April 6 to April 24, 2… · 2026-03-30

[Tonkatsu Kagurazaka Sakura] Plump & Crispy 'Toki-aji Fry' Appears - Enjoy the Branded True Horse Mackerel's Sweet Fat with 'Grated Wasabi Soy Sauce'

Tonkatsu Kagurazaka Sakura, operated by REINS international inc., will release a limited-time fried … · 2026-03-30

Shabu-shabu Onyasai: New Life Support Campaign Offers All-You-Can-Eat 20% Off on Weekdays and 10% Off on Holidays ~Plus! Half Price for Elementary School Students, Free for Preschoolers, 500 Yen Off for Seniors~

Shabu-shabu Onyasai is launching a New Life Support Campaign from April 6-24, 2026, offering 20% off… · 2026-04-06

Gyukaku Launches Second Round of 'One Extra Dish Campaign' – Free 'Stamina Double Garlic Kalbi' with 'Yakiniku Sakaba Set'! Available Weekdays Only from June 22 to July 14, 2026

Gyukaku, operated by RAINS International Co., Ltd. (a member of the Korowaido Group), is launching a… · 2026-06-16

Gyu-Kaku × Happy Turn Anniversary Collaboration: Emergency decision due to popular demand! 200% powder for 3 days only. Achieving 'Happy Increase' after additional negotiations - Campaign to double the amount of 'Yakiniku-only Powder'.

To commemorate reaching 80,000 total sales of its collaborative menu with Kameda Seika's 'Happy Turn… · 2026-06-08

Shabu Shabu Onyasai launches weekday 'Nabe Nomi Set' starting May 27, proposing the value of 'communal hot pot communication' revealed by survey

Reins International Co., Ltd. will launch the weekday-only 'Nabe Nomi Set' (1,980 yen, 2,178 yen inc… · 2026-05-26

【Gyu-Kaku x Happy Turn Anniversary Collab】 'Magic Powder' reimagined for Yakiniku in 4 limited-time items!

Gyu-Kaku, operated by Reins International Inc., is celebrating its 30th anniversary by offering four… · 2026-05-21

Shabu Shabu Onyasai Collaborates with 2.5D Talent Group "Sixfonia" on "Secret Date" Themed Campaign

Shabu Shabu Onyasai is launching a collaboration campaign with the 2.5D talent group "Sixfonia" from… · 2026-05-18

Shabu-shabu Onyasai: New Life Support Campaign Offers All-You-Can-Eat 20% Off on Weekdays and 10% Off on Holidays ~Plus! Half Price for Elementary School Students, Free for Preschoolers, 500 Yen Off for Seniors~

Shabu-shabu Onyasai is launching a New Life Support Campaign from April 6-24, 2026, offering 20% off… · 2026-04-06

"Evolved" Mala Tang Arrives at Shabu-Shabu Onyasai! Last Year's Popular "Umami-Spicy Mala Tang Shabu" Returns with Infinite Arrangements like "Italian Mala Tang" and "Spicy Tomato Mala Tang"

Shabu-Shabu Onyasai is bringing back its popular "Umami-Spicy Mala Tang Shabu" as a limited-time off… · 2026-05-20

[Gyukaku] Father's Day Deals: 10% OFF Your Bill or All-You-Can-Drink for 1,188 Yen ~10% OFF applies to both a la carte and all-you-can-eat courses! All-you-can-drink for 1,188 yen includes over 40 items including draft beer!

Gyukaku, a yakiniku chain operated by Reins International Inc. of the Colowide Group, will hold a Fa… · 2026-06-03

[Shabu Shabu Onyasai] Great value for Father's Day! All-you-can-eat gets "20% OFF Weekdays / 10% OFF Weekends" or "Half-price" Alcohol Drink放題

Shabu Shabu Onyasai, operated by Reins International Inc. (Colowide Group), will hold a Father's Day… · 2026-06-03

[Tonkatsu Kagurazaka Sakura] Introducing "Barley-Finished Sangen Pork," a world-recognized delicacy. Thick-cut, gourmet tonkatsu featuring a clean, high-quality fat finish.

Rainz International, part of the Colowide Group, will launch new menu items featuring "Barley-Finish… · 2026-05-28

Gyu-Kaku Launches 'Genki Festival' Discount Campaign: Draft Beer for 190 Yen, Karubi & Horumon for 290 Yen

Gyu-Kaku, operated by Reins International Inc. of the Colowide Group, is launching the 'Genki Festiv… · 2026-05-18

Gyukaku Apologizes for Overdoing It! 'Genki Festival' Features Extreme Garlic and Spiciness

牛角將於2026年5月20日至6月24日舉辦「牛角元氣祭」，推出7款主打大蒜與辛辣的重口味期間限定菜單。 · 2026-05-14

Shabu Shabu Onyasai Collaborates with 2.5D Talent Group "Sixfonia" on "Secret Date" Themed Campaign

Shabu Shabu Onyasai is launching a collaboration campaign with the 2.5D talent group "Sixfonia" from… · 2026-05-18

Gyu-Kaku Launches 'Genki Festival' Discount Campaign: Draft Beer for 190 Yen, Karubi & Horumon for 290 Yen

Gyu-Kaku, operated by Reins International Inc. of the Colowide Group, is launching the 'Genki Festiv… · 2026-05-18

Gyu-Kaku Went Too Far! Sorry!! Max Guilty Pleasure! 'Genki Matsuri' (Stamina Festival) with Garlic x Spice x Spice for Full Power

The yakiniku chain Gyu-Kaku is holding a limited-time 'Genki Matsuri' (Stamina Festival) themed arou… · 2026-05-14

[Part 2] Gyu-Kaku x Detective Conan: 12 Designs of Original Merchandise Unveiled! Commemorating the Release of 'Detective Conan: Highway to Heaven' The Movie ~Follow & Repost Campaign to Win a 'Complete Set'!~

Gyu-Kaku, a yakiniku chain, is launching the second phase of its collaboration campaign with the TV … · 2026-05-11

[Gyu-Kaku] Mother's Day All-You-Can-Eat Deals! Weekdays 20% OFF, Holidays 10% OFF – Enjoy Unlimited BBQ from ¥2,446! ~ Plus, Half-Price for Elementary Students & Free for Younger Kids! All-You-Can-Eat Desserts Included ~

Gyu-Kaku will hold a Mother's Day campaign from May 7 to May 14, 2026, offering up to 20% off all-yo… · 2026-04-24

[Shabushabu Onyasai] Mother's Day All-You-Can-Eat Deals! Weekdays 20% OFF, Weekends 10% OFF. Show Your Appreciation with an Anniversary Plate. Free for Preschoolers & Half-Price for Elementary Students.

Reins International's Onyasai runs a Mother's Day campaign from May 7 to May 20, 2026, offering up t… · 2026-04-24

[Gyukaku Yakiniku Shokudo] 5th Store in Hyogo! Aeon Akashi Shopping Center Store Opens Today, April 24 (Fri)!

Reins International will open a new 'Gyukaku Yakiniku Shokudo' food court outlet in Aeon Akashi Shop… · 2026-04-24

Gyu-Kaku Grand Menu Update 2026: 16 Customizable Toppings and the Return of the Legendary 'Jan-dare' Series

Starting April 23, 2026, Gyu-Kaku updates its grand menu with 16 types of toppings and sauces for en… · 2026-04-22

[Tonkatsu Kagurazaka Sakura] Fluffy Thick Fillet x Crispy Texture 'Shun Aji Fry' Appears ~ Savor the Sweetness of Fat with 'Grated Wasabi Soy Sauce' ~

Tonkatsu Kagurazaka Sakura will sell a limited-time menu using brand horse mackerel 'Shun Aji' start… · 2026-03-30

Shabu-shabu On-Yasai Launches "Pot + 2h All-You-Can-Drink" Plan for 1,980 Yen - Proposing a New Style of "Shabu-shabu x Izakaya" for Casual Everyday Use

Shabu-shabu On-Yasai has launched a campaign offering "Pot + 2h All-You-Can-Drink" for 1,980 yen on … · 2026-03-30

[Gyukaku Yakiniku Shokudo] Reaches 90 Stores Nationwide & First Store in Saga Prefecture! 'youme Town Saga Store' Opens April 22 (Wed)

Colowide Group's 'Gyukaku Yakiniku Shokudo', a food court specialty store, will open its 90th locati… · 2026-04-15

Shabu-shabu Onyasai Launches Super Cost-Effective Plan: "Hot Pot + 2h All-You-Can-Drink" for 1,980 Yen ~Proposing a New "Shabu-shabu x Sakaba" Style for Casual Everyday Use~

Shabu-shabu Onyasai is offering a limited-time "Nabe Nomi Set" on weekdays, featuring a choice of ho… · 2026-03-30

[Gyu-Kaku] Mother's Day 'All-You-Can-Eat' Deals! Enjoy From 2,446 Yen with '20% OFF' on Weekdays and '10% OFF' on Weekends - Plus! Elementary Students Half Price & Under Elementary Free! Desserts Also All-You-Can-Eat

Gyu-Kaku is running a Mother's Day campaign from May 7-14, 2026, exclusively for official app member… · 2026-04-24

[Shabushabu Onyasai] Mother's Day All-You-Can-Eat Deals! Weekdays 20% OFF, Weekends 10% OFF. Show Your Appreciation with an Anniversary Plate. Free for Preschoolers & Half-Price for Elementary Students.

Reins International's Onyasai runs a Mother's Day campaign from May 7 to May 20, 2026, offering up t… · 2026-04-24