"全球最安全的桑拿体验，尽享健康与放松"波多野つ上司出差被中在线出

　　A group of naked people sits in a sauna and sweats. The sauna masters ensure peace and order, but when the violations of the rules by the participants escalate, they take drastic measures which in the end not only endanger the guests, but ultimately also the sauna masters themselves.