Website: https://yuuro.jp/
MAIL：reserve_yuuro.ryogoku@playandco.jp
Chat section of each reservation site

YUURO Bath Living Hotel Ryogoku staff hours: 10:00 - 19:00
COGO RYOGOKU Hostel (7F) Front Desk Hours: 8:00 AM - 11:00 PM

Please note that inquiries received outside of business hours may take some time to receive a response.