Popular Korean Foods Return to Department Stores and Station Buildings; Sales Locations Expanded by Rock Field's Yugo and RF1
Rock Field Co., Ltd. announced the re-release of popular Korean foods "Gamja-pan" and "Koguma-pan" at its deli stores "Yugo" and "RF1" from April 16 to April 29, 2026. Following strong sales in late February, the number of participating stores has more than doubled. Each product is priced at 420 yen (tax included); Gamja-pan is a German potato dish resembling a potato, and Koguma-pan is a sweet potato dish resembling a sweet potato. Pop-up sales will also be held at select stores from April 30 to May 6.
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- 📰 Published: April 14, 2026 at 23:00
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Rock Field Co., Ltd. (Headquarters: Kobe City, Hyogo Prefecture, President: Takashi Furutuka) will re-sell the popular Korean foods "Gamja-pan" and "Koguma-pan" for a limited time from April 16 (Thursday) at its deli stores "Yugo" and "RF1". "Gamja-pan" and "Koguma-pan" are popular Korean snacks. "Gamja" means potato and "Koguma" means sweet potato in Korean. When first sold in late February at 8 "Yugo" stores, both products sold out by noon at some locations, attracting many customers daily. Due to popular demand, re-sales have been decided. In addition to "Yugo", "RF1" and other selected stores will also carry the products, more than doubling the number of sales locations. "Gamja-pan" (420 yen per piece) contains German potato with bacon and cheese, wrapped in a chewy dough made with warabi-mochi flour, and topped with kinako and black sesame to resemble a potato. "Koguma-pan" (420 yen per piece) contains a rich sweet potato filling with salted butter and fresh cream, accented with almonds and black sesame, wrapped in a chewy dough made with warabi-mochi flour, and colored purple with black sesame to resemble a sweet potato. The main sales period is from April 16 (Thursday) to April 29 (Wednesday, holiday), 2026. Participating "Yugo" stores include Ginza Mitsukoshi, Atre Ebisu, Tobu Department Store Ikebukuro, Atre Kichijoji (Tokyo); Takashimaya Yokohama (Kanagawa); JR Nagoya Takashimaya (Aichi); JR Kyoto Isetan (Kyoto); Hankyu Umeda Main Store (Osaka). Participating "RF1" stores include Isetan Urawa (Saitama); Sogo Chiba, Tobu Department Store Funabashi (Chiba); Shibuya Tokyu Food Show, Seibu Ikebukuro Main Store (Tokyo); Keikyu Kamiooka, Terras Mall Shonan (Kanagawa); Matsuzakaya Nagoya (Aichi); Takashimaya Kyoto (Kyoto); Hanshin Umeda Main Store, Daimaru Umeda Store (Osaka); Hakata Hankyu (Fukuoka). "Nihon no Salad Itohan" at Espal Sendai (Miyagi) will also participate. Limited-time pop-up sales will be held at RF1 Ecute Omiya (Saitama) and Green Gourmet Keihan Kuzuha Mall (Osaka) from April 30 (Wednesday) to May 6 (Wednesday, holiday), 2026. Rock Field was founded in 1972. It operates 303 stores across Japan (as of end of March 2026) under 7 brands including "RF1", "Kobe Croquette", "Nihon no Salad Itohan", "Yugo", and "Green Gourmet", aiming to contribute to the creation of rich lifestyles through deli foods.
FAQ
What are the re-sale dates for Gamja-pan and Koguma-pan?
The main re-sale period is from April 16 (Thursday) to April 29 (Wednesday, holiday), 2026. Pop-up sales will also be held from April 30 (Wednesday) to May 6 (Wednesday, holiday) at select stores.
What is the price of Gamja-pan and Koguma-pan?
Both products are priced at 420 yen (tax included) per piece.
Where can I purchase Gamja-pan and Koguma-pan?
They will be available at 8 Yugo stores, 12 RF1 stores, and 1 Nihon no Salad Itohan store. Additionally, pop-up sales will occur at RF1 Ecute Omiya and Green Gourmet Keihan Kuzuha Mall for a limited time.