Ganso Butadon-ya TONTON Launches 'Free Size Upgrade' Campaign from June 3-14
Onestryin Inc. will run a limited-time campaign at 'Ganso Butadon-ya TONTON' from June 3 (Wed) to 14 (Sun), allowing customers to upgrade the popular 'Pork Belly Bowl' and 'Pork Loin Bowl' (regular size) to large size for free.
📋 Article Processing Timeline
- 📰 Published: May 27, 2026 at 01:36
- 🔍 Collected: May 26, 2026 at 17:01
- 🤖 AI Analyzed: May 26, 2026 at 17:12 (10 min after Collected)
Ganso Butadon-ya TONTON, operated by Onestryin Inc. (Headquarters: 2-3-16 Shibata, Kita-ku, Osaka; Representative Director: Hitoshi Yamauchi), is launching a limited-time campaign from June 3 (Wed) to 14 (Sun). Customers can enjoy a free size upgrade to 'Large' for the price of 'Regular' on the popular 'Pork Belly Bowl' and 'Pork Loin Bowl'.
One-Size-Up Campaign
This campaign allows customers to enjoy the satisfying volume of the popular 'Pork Belly Bowl' and 'Pork Loin Bowl' at a great value.
The Pork Belly Bowl is a popular dish known for the savory richness of pork fat. Meanwhile, the Pork Loin Bowl offers a refreshing yet deeply flavorful meat experience.
Both bowls pair perfectly with our secret sauce, creating a taste that makes every bite addictive.
Especially during these times of rising prices, we want to help our customers feel full and satisfied. This is the sentiment behind this limited-time campaign.
We invite you to take this opportunity to enjoy the signature taste of 'Ganso Butadon-ya TONTON' in a larger size for less.
[Campaign Period]
June 3 (Wed) – June 14 (Sun)
[Campaign Details]
Free size upgrade from Regular to Large at the Regular price
[Eligible Products]
Pork Belly Bowl (Regular), Pork Loin Bowl (Regular)
[Participating Stores]
Ganso Butadon-ya TONTON: Asahikawa, Sapporo Toyohira, Sendai East Exit, Yaotome, Shin-Mikawashima, Adachi, Hatanodai, Nishikasai, Narita, Kimitsu, Kamagaya Daibutsu, Mitsuwadai, Tsuruga, Utsunomiya Shukugo, Tochigi Nikko, Yaizu, Hamamatsu, Asahicho, Yamashina Nishikanegasaki, Miyakojima, Senba Center Building 10, Shinkaichi, Konan, Yonago, Hiroshima Takaramachi, Fukuyama, and Naha Kumoji stores.
One-Size-Up Campaign
This campaign allows customers to enjoy the satisfying volume of the popular 'Pork Belly Bowl' and 'Pork Loin Bowl' at a great value.
The Pork Belly Bowl is a popular dish known for the savory richness of pork fat. Meanwhile, the Pork Loin Bowl offers a refreshing yet deeply flavorful meat experience.
Both bowls pair perfectly with our secret sauce, creating a taste that makes every bite addictive.
Especially during these times of rising prices, we want to help our customers feel full and satisfied. This is the sentiment behind this limited-time campaign.
We invite you to take this opportunity to enjoy the signature taste of 'Ganso Butadon-ya TONTON' in a larger size for less.
[Campaign Period]
June 3 (Wed) – June 14 (Sun)
[Campaign Details]
Free size upgrade from Regular to Large at the Regular price
[Eligible Products]
Pork Belly Bowl (Regular), Pork Loin Bowl (Regular)
[Participating Stores]
Ganso Butadon-ya TONTON: Asahikawa, Sapporo Toyohira, Sendai East Exit, Yaotome, Shin-Mikawashima, Adachi, Hatanodai, Nishikasai, Narita, Kimitsu, Kamagaya Daibutsu, Mitsuwadai, Tsuruga, Utsunomiya Shukugo, Tochigi Nikko, Yaizu, Hamamatsu, Asahicho, Yamashina Nishikanegasaki, Miyakojima, Senba Center Building 10, Shinkaichi, Konan, Yonago, Hiroshima Takaramachi, Fukuyama, and Naha Kumoji stores.
FAQ
元祖豚丼屋TONTONのキャンペーン期間はいつですか？
6月3日(水)から14日(日)までです。
キャンペーンの対象商品は何ですか？
「豚バラ丼」および「豚ロース丼」の並盛です。
キャンペーンの実施内容はどのようなものですか？
並盛価格のまま「大盛」へ無料でサイズアップできるサービスです。
このキャンペーンを実施する理由は何ですか？
物価高が続く中、ボリュームのある食事を少しでもお得に満腹感を得て楽しんでもらうことを目的としています。
どこの店舗でキャンペーンが行われますか？
全国の元祖豚丼屋TONTON（旭川店、札幌豊平店、仙台東口店、八乙女店、新三河島店、足立店、旗の台店、西葛西店、成田店、君津店、鎌ヶ谷大仏店、みつわ台店、鶴賀店、宇都宮宿郷店、栃木日光店、焼津店、浜松店、朝日町店、山科西金ヶ崎店、都島店、船場センタービル10号館店、新開地店、岡南店、米子店、広島宝町店、福山店、那覇久茂地店）で実施されます。