A Blue Archive collaboration event is coming to Sengawa Yukemuri no Sato, a natural hot spring facility in Chofu, Tokyo. The event runs from July 6 (Monday) to August 7 (Friday), 2026, bringing a range of exclusive items and themed experiences to the bathhouse.
Event Overview
Event: Blue Archive × Sengawa Yukemuri no Sato Natural Hot Spring
Period: July 6 (Mon) to August 7 (Fri), 2026
Venue: Sengawa Yukemuri no Sato
2-11-2 Wakabamachi, Chofu-shi, Tokyo 182-0003
Hours: 10:00 AM to 12:00 AM (last entry 11:30 PM)
For event details, visit the collaboration website:
https://event.amnibus.com/bluearchive-yukemurinosato/
Admission Queue Notice
To manage crowding, admission queue tickets and goods purchase queue tickets will be distributed on the following four days:
- July 6 (Mon), July 7 (Tue), July 11 (Sat), July 12 (Sun)
On other dates, queues may also be introduced during busy periods. Check the official Sengawa Yukemuri no Sato X account for updates:
https://x.com/yu_sengawa
Please note that guests with tattoos (of any size, including stickers and henna) are not permitted to enter the facility.
Collaboration Entrance Ticket
A collaboration entrance ticket set is on sale, featuring original artwork. Each ticket set includes:
- Replica Ticket (1 of 2 types, distributed at random)
- Tenugui hand towel (1 of 2 types, distributed at random)
Price: ¥3,000 (tax included) — includes access to the 岩盤浴 (ganban-yoku) area
Where to buy:
- On queue days: near the 1F entrance
- On regular days: 2F front ticket vending machine
Payment: Cash only


The Replica Ticket (2 types) and Tenugui (2 types) are distributed at random. Designs cannot be chosen. Goods and bonuses are available in limited quantities and may sell out. Cannot be used in conjunction with discount tickets.
Original Goods
Original merchandise featuring newly drawn illustrations and chibi character art is available at the 2F goods area. A free Postcard (9 types, random) is included as a bonus for every ¥2,000 (tax included) spent.



Product lineup:
- Trading Glitter Can Badge (9 types) — ¥605 per item / BOX ¥5,445
- Trading Mini Shikishi (11 types) — ¥660 per item / BOX ¥7,260
- Ani-Frame 3-piece Set (9 types) — ¥495 each
- Locker Key Acrylic Keychain (9 types) — ¥1,650 each
- BIG Acrylic Stand (9 types) — ¥1,980 each
- A3 Matte Poster (11 types) — ¥880 each
- Trading Chibi Character Glitter Can Badge (9 types) — ¥605 per item / BOX ¥5,445
- Trading Chibi Character Acrylic Stand Keychain (9 types) — ¥880 per item / BOX ¥7,920
- Chibi Character B8 Hard Case (9 types) — ¥660 each
- Chibi Character Mug (2 types) — ¥1,980 each
- Motif Unisex Tee (2 types) — ¥5,478 each (sizes: XL, XXL)
- Motif Bottle Shoulder Bag (2 types) — ¥3,278 each
- Motif Onsen Towel (2 types) — ¥880 each
- Motif Waterproof Multi Case (2 types) — ¥2,750 each
BOX Purchase Bonus: Purchasing one BOX of either the Trading Glitter Can Badge or the Trading Chibi Character Glitter Can Badge at the event venue, AMNIBUS, or Animate qualifies for an exclusive bonus item (designs vary by retailer; AMNIBUS and Animate share the same design). Available while supplies last.
All prices are tax included. Payment is cash only. Trading items are distributed at random. Per transaction, open items are limited to 2 per type; random single items are limited to 10 per type, with 1 BOX per type (can be purchased simultaneously). Additional purchase limits may apply on opening days. Shopping bags are available for a fee. Designs shown are for reference only and may differ from the actual product. Some items are scheduled for later sale at AMNIBUS and Animate.
Collaboration Food
Themed collaboration food is available at the 2F dining area. Ordering an eligible menu item comes with 1 Coaster (18 types, random) as a bonus.
Location: 2F dining area
Hours: 11:00 AM to 11:00 PM (last order 10:00 PM)
Payment: Cash only

Collaboration Baths
Themed baths inspired by Gehenna Academy and Hyakkiyakou are available in the carbonate spring area on select dates during the collaboration period.
Location: Hot spring area "Carbonate Spring"
Schedule:
- Gehenna Academy Bath (ゲヘナ学園の湯): July 10, 11, 12, 19, 20
- Hyakkiyakou Bath (百鬼夜行の湯): July 6, 7, 8, 17, 18
Dates are subject to change due to facility conditions.
Stamp Rally
A stamp rally is available for purchase at the 2F front desk. Collect all stamps at spots throughout the facility to receive a Die-cut Sticker (4 types, distributed at random) as a prize.
Where to buy: 2F front desk
Price: ¥500 (tax included)
Payment: Cash only


Stamp rally sheets and prizes are available in limited quantities and may sell out. Prizes are distributed at random.
Character In-Facility Announcements
Special in-facility announcements recorded exclusively for this collaboration event will be broadcast inside Sengawa Yukemuri no Sato. These original voice recordings can only be heard at the venue.
Featured characters: Umika, Fina, Kirara, Erika