Unzen Kyushu Hotel "Unzen-tei Hanare" Renovation

PROSPER Inc. (Headquarters: Minato-ku, Tokyo; Representative Director: Yozo Tachibana; hereinafter "PROSPER"), which promotes regional revitalization through investments in small and medium-sized enterprises across Japan with a focus on tourism under the slogan "Energize Japan!!", is pleased to announce the renovation of "Unzen-tei Hanare" at Unzen Kyushu Hotel, which boasts a history of over 100 years in Unzen City, Nagasaki Prefecture, on April 25, 2026. Unzen Kyushu Hotel is operated by PROSPER CAPITAL Limited Liability Partnership, of which PROSPER and others are members, and is owned and managed by PROSPER Japan Enterprise Growth Support Fund No. 1 Limited Partnership. A new outdoor private sauna from Metos Co., Ltd. (hereinafter "Metos"), which is not yet officially released, has been pre-introduced in a special location overlooking the steam-rising Unzen Jigoku. This creates a completely private wellness space where guests can enjoy milky hot springs, a sauna, a dedicated cold bath, and open-air bathing all within their guest room. We offer a luxurious stay experience unique to Unzen, where guests can relax their mind and body at their own pace.

<Overview of Unzen-tei Hanare> Number of rooms: 4 rooms in total (all non-smoking) Room types: Hanare A (2 rooms), Hanare B (2 rooms) Size: 90.18㎡ (including private terrace) Capacity: 4 people

"Unzen-tei Hanare" is a popular guest room featuring a natural hot spring indoor bath and an open-air bath, high privacy unique to an annex, and a garden that allows guests to feel the four seasons. In this renovation, while leveraging its existing charm, we have pre-introduced Metos's pre-release outdoor private sauna on the terrace. Furthermore, by equipping it with a dedicated cold bath and open-air bathing sofa, the stay itself has evolved into a "to-tonou" (deeply relaxing) experience. This is one of the most luxurious rooms in the Unzen area, recommended for couples, families, wellness-oriented travelers, and inbound guests seeking a high-quality stay.

<Development Story> Unzen Kyushu Hotel stands in the heart of the steam-rising Unzen Jigoku, a unique luxury resort where guests can closely experience the magnificent nature and geothermal blessings of Unzen, which was selected as Japan's first UNESCO Global Geopark. Inheriting over 100 years of history, the hotel aims to be loved for the next 100 years with the concept "Re-vibe of the Moment - refresh your heart and moisten your time -", and continues to evolve. This renovation was carried out with the aim of adding new value to the milky hot spring of Unzen Onsen, which has been cherished as a renowned hot spring, by offering a deeply rejuvenating stay experience. The geothermal heat generated by the land of Unzen, the clear air, and the rich nature. We aimed for guests to slowly unwind their mind and body and deeply rest while feeling these blessings. To embody this desire, we newly installed saunas and dedicated cold baths in popular guest rooms, realizing a completely private wellness space where guests can complete their hot spring, sauna, cold bath, and open-air bathing experience within their room. As a result, "Unzen-tei Hanare" has evolved beyond being merely a guest room with a hot spring into a top-class room that integrates nature, hot springs, and sauna to deeply heal the mind and body.

<Features of Unzen-tei Hanare> 1. New Metos Latest Private Sauna Outdoor private saunas from Metos, which boasts the top share in Japan and has led Japan's sauna culture, have been newly installed on the terraces of all four "Unzen-tei Hanare" rooms. Guests can enjoy self-loyly in the high-performance sauna room, and RENTO aroma oils for loyly are also available. Surrounded by scent and steam, guests can enjoy a luxurious sauna time at their own pace without worrying about anyone else.

2. The Highest Class Room Closest to Unzen Jigoku "Unzen-tei Hanare" is the highest class room closest to Unzen Jigoku. It is located in a special place where guests can feel the presence of geothermal energy, the heartbeat of the earth, a unique experience found only here. In the private space where time flows quietly like a villa, guests can escape from daily life and spend a luxurious time truly relaxing. It is a room where couples and families can enjoy a leisurely stay.

3. Gourmet Experience Loved by Celebrities for Over a Century Unzen Kyushu Hotel offers a high-quality dining experience where guests can savor the natural charm of ingredients, including seafood from Nagasaki Port, where over 250 types of fish are landed, and seasonal ingredients carefully grown by local farmers. Guests staying at "Unzen-tei Hanare" have access to a private dining room "grillé" near their rooms. In a private setting, guests can leisurely enjoy cuisine that has been loved by numerous celebrities for over a century.

<Facility Overview> Facility Name: Unzen Kyushu Hotel Location: 320 Obama-cho Unzen, Unzen City, Nagasaki Prefecture, 854-0697