Nikoh Building is a men's-only capsule hotel and sauna in the Tanukikoji area of Sapporo. It has a large bath and sauna, reclining seats on the third floor, and an izakaya on the fifth floor serving food and drinks. Guests can stay for 24 hours from check-in and check in on the fourth floor. The sauna's low-temperature bath and aufguss sessions are held every hour, and the building and facilities are generally old.