TV anime Maebashi Witches launches its second collaboration with Tennen Onsen Yunakurabu Ota in Gunma, running until August 31 with exclusive menus, merchandise, and character-themed baths.
The Furuyu Kingdom Onsen-kyo event transforms Saga’s Furuyu hot-spring district into a Kingdom-themed attraction through September 30, featuring a massive Oki panel, stamp rally, and exclusive collab
Saga Prefecture’s Kingdom collaboration expands with “Furuyu Kingdom Onsen-kyo,” launching July 17, 2026 — featuring 8 photo spots and a Fei Xin Force stamp rally.
The Nige Jouzu no Wakagimi anime is collaborating with Gokurakuyu・RAKU SPA for a special campaign starting July 9, 2026, featuring new illustrations, four themed collab baths, and limited merchandise.
Demon Slayer teams up with Hakone Kowakien Yunessun for a limited-time event from July 18 to October 4, 2026, featuring themed baths, a special sauna experience, and an exclusive collab hotel room.
The anime film Kitaro Tanjo: Gegege no Nazo is teaming up with Gokurakuyu and RAKU SPA at 16 locations for the “Gegege no Yu” event from June 18 to July 7, 2026, featuring special goods and character-themed baths.
Frieren: Beyond Journey’s End has launched an onsen-themed merchandise series titled Onsen no Frieren, starting with a Kerorin bath bucket featuring new artwork of Frieren in a hot spring.
