Are you shy about people hearing your, um, noises in a public restroom? Well, take heart because you're not alone. A mobile version of Otohime, a Japanese toilet function that reproduces the sound of running water to mask bodily sounds, is selling out.
Japanese loos are famous for their high-tech features. Electronic toilets with functions that play the sound of running water are common in public facilities like offices. Otohime means "sound princess," and it's exclusively found in ladies' restrooms.