Ryūgetsu is a Japanese confectionery brand operated by Ryūgetsu Co., Ltd., based in Otofuke, Hokkaido. The company emphasizes carefully selected, high-quality ingredients from Hokkaido and presents its sweets as suitable for enjoying at home or giving as souvenirs. Its product range includes baked confections such as the well-known Sanpōroku baumkuchen, along with seasonal and limited-edition assortments, cakes, and other sweets. The online shop features products for delivery, including some offerings available exclusively through the website, and accepts orders by phone as well as online.

Ryūgetsu’s site also highlights its approach to ingredient selection, handmade production, and hygiene management, including a dedicated focus on Sanpōroku. Customers can explore its stores across areas such as Tokachi and Obihiro, Sapporo, and Kushiro, as well as visit Sweetpia Garden and Toscatina. The company provides product catalogs, customer support, online account and shopping services, and information about events and department-store exhibitions. Through its retail locations and e-commerce service, Ryūgetsu offers Hokkaido-inspired sweets for both everyday enjoyment and gifting.