TOKYO — Onsen and hot spring resorts with konyoku mixed-gender bathing facilities have been feeling the pinch of late, as customers become increasingly reticent about stripping off to take a dip with ...

While staying at Sui Suwako in Suwa, Nagano Prefecture, visitors can enjoy open-air bathing on the inn’s rooftop area that overlooks Lake Suwa. However, when you arrive at the entrance of the ...