Hakone Yumoto Seiun Unveils Summer-Only Exciting Content! Daily Festivities Await – Make Your Summer Trip to Hakone Yumoto Seiun! Enjoy a Fulfilling Summer with Family and Friends!

Hakone Yumoto Seiun (located at 1297 Ninohira, Hakone-machi, Ashigarashimo-gun, Kanagawa Prefecture; General Manager: Noriaki Shibata) is launching a variety of summer-exclusive content, including a collaboration event with the anime 'Demon Slayer,' the 'Hakone Yumoto Seiun Okinawa Haisai! Festival,' and interactive programs with staff, catering to diverse needs such as 'oshi-tabi' (fan-based travel) and 'tabi-iku' (educational travel). Why not spend a fulfilling summer vacation at this resort near the Greater Tokyo Area, where human connections heal the mind and body and deepen bonds? This summer, the anime 'Demon Slayer' finally comes to Yunessun! At Hakone Yumoto Seiun Yunessun (hereinafter 'Yunessun'), we will host 'Demon Slayer × Yunessun: Hakone Onsen Tale – Rest Under the Wisteria Flowers,' an event allowing guests to fully immerse themselves in the world of 'Demon Slayer,' including the theatrical release 'Demon Slayer: Infinity Castle Chapter Part 1 – Return of Kokushibo,' which surpassed 40 billion yen in box office revenue. At 'Yunessun,' the swimsuit-friendly hot spring, themed collaboration baths and saunas inspired by the 'House with the Wisteria Crest' from the story, as well as a bath themed after 'Infinity Castle,' will be introduced! Enjoy the atmosphere of 'Demon Slayer' with friends and family, reminiscing and sharing thoughts about iconic scenes. For those who wish to dive even deeper into the 'Demon Slayer' universe, we recommend staying at the collaboration room 'Demon Slayer Room' available at Hakone Hotel Yumoto Seiun. Explore the room’s interior, decorated with famous scenes from the anime and movies—every fan must see this! The tropical breeze arrives at Hakone Yumoto Seiun! 'Hakone Yumoto Seiun Okinawa Haisai! Festival' is here! Inspired by our connection with 'Kanucha Resort,' a representative Okinawan resort, we are hosting the 'Hakone Yumoto Seiun Okinawa Haisai! Festival' at Hakone Yumoto Seiun. Okinawan flavors, culture, dining, events, and activities will be offered across various locations within the resort. At the '365-Day Festival Plaza' on the 3rd floor of Hakone Yumoto Seiun Yunessun, which reopened in May this year, guests can enjoy craft activities reflecting Okinawan culture and a photo exhibition themed around 'Fish Living in Okinawa.' Additionally, a panel exhibition on coral reef conservation will be available—perfect for children’s summer science projects. Daily stage events will feature performances by Eisa dance teams and staff performances incorporating Okinawan culture. Alongside the newly opened 'Yumoto Seiun Hakoneko Pavilion' in the same area, buffet restaurants at Hakone Hotel Yumoto Seiun and Hakone Yumoto Seiun Tenyuu (hereinafter 'Tenyuu') will offer Okinawan-inspired menus. Don’t miss this opportunity to enjoy them! Furthermore, a special gift campaign with luxurious prizes will be held to commemorate the event. Enjoy with Hakone Yumoto Seiun staff! 'Okami Experience' & 'Bosappi's Cool Down Mission!' At Tenyuu, we will once again host the popular children’s program 'Okami Experience,' which was a hit last year. This program, where children learn greetings, kimono dressing, and hospitality etiquette directly from the okami (inn manager), is perfect for 'tabi-iku'—nurturing children’s curiosity and interest through unique experiences and staff interaction. Meanwhile, at 'Yunessun,' the water-spraying program 'Bosappi's Cool Down Mission!' returns with an 'Okinawan version' after its debut last year! This exciting experience, led by Yunessun’s official character 'Hakoneko Bosappi' and staff, allows guests and staff to share joyful moments—a unique thrill only at Yunessun. This summer, why not spend a fulfilling vacation at Hakone Yumoto Seiun, packed with fun content, together with your family and friends? 'Demon Slayer × Yunessun: Hakone Onsen Tale – Rest Under the Wisteria Flowers' Details Themed collaboration baths and saunas that let you fully experience the world of 'Demon Slayer' will appear at 'Yunessun,' the swimsuit-friendly hot spring. In conjunction with the event, limited-edition collaboration tickets featuring original goods with newly drawn illustrations of five characters by ufotable, designed to enhance your Hakone Yumoto Seiun experience, will be sold in limited quantities. Adjacent Hakone Hotel Yumoto Seiun will also offer the 'Demon Slayer Room' (limited to one room per day) and limited collaboration stay plans, providing various immersive experiences. ▲ Green Terrace 'Wisteria Flower Bath' Concept ▲ Rock Cave ONSEN 'Infinity Castle Bath' Concept ▲ Finnish Bath 'Wisteria Steam' Concept [Event Name] 'Demon Slayer × Yunessun: Hakone Onsen Tale – Rest Under the Wisteria Flowers' [Period] July 18 (Sat), 2026 – October 4 (Sun), 2026 [Content] Collaboration baths, collaboration saunas, collaboration tickets, collaboration drinks, collaboration goods, collaboration rooms, collaboration stay plans, etc. [Special Website URL] https://www.yunessun.com/kimetsu2026 * Subject to change or cancellation without prior notice. Please understand. * Due to high demand, collaboration plans may be fully booked. If cancellations occur, they will be re-released for sale. 'Hakone Yumoto Seiun Okinawa Haisai! Festival' Details Inspired by our connection with 'Kanucha Resort,' a representative Okinawan resort, we are hosting the 'Hakone Yumoto Seiun Okinawa Haisai! Festival.' Events will be held across hotels and inns within Hakone Yumoto Seiun. Enjoy a new, indulgent travel experience, feeling the breeze of Okinawa while surrounded by Hakone’s nature. At the festival booth offering nostalgic games like shooting galleries and raffles, prizes themed around Okinawa will be available! Limited-time craft activities unique to Okinawa, such as 'Shisa Coloring Experience' and 'Craft Ondako Drum Making,' can also be enjoyed. Additionally, a panel exhibition on coral conservation and an underwater photo exhibition featuring Okinawa’s vibrant fish will run simultaneously—fun and educational, perfect for children’s summer projects. Furthermore, daily stage events will feature staff dance and music performances incorporating Okinawan culture. Eisa teams 'Sakurakaze Eisa Ryukyu Fusha' and 'Shoryukai' will also appear on an irregular schedule, offering authentic performances. ■ 'Okinawan Craft Activities' Overview [Location] 3rd Floor, 365-Day Festival Plaza, Yunessun (Free Admission Area) [Period] July 1 (Wed), 2026 – August 31 (Mon), 2026 [Content] Shisa coloring, craft ondako drum experience, etc. [Participation Fee] From 1,300 yen ■ 'Let’s Protect Coral!' Panel Exhibition & 'Fish Living in Okinawa' Exhibition Overview [Location] 3rd Floor, 365-Day Festival Plaza, Yunessun (Free Admission Area) [Period] July 1 (Wed), 2026 – August 31 (Mon), 2026 [Participation Fee] Free 'Fish Living in Okinawa' Exhibition Concept ■ 365-Day Festival Plaza Stage Event Overview [Location] 3rd Floor, 365-Day Festival Plaza, Yunessun (Free Admission Area) [Participation Fee] Free [Schedule] To be announced gradually on the official website. Please check via the following page. Yunessun Official HP: https:/