Finding tattoo-friendly places in Japan: hotels and ryokan, in-door and open-air baths, onsen, sento, and private baths. In recent years, the number of tourists has been increasing while at the same time, the more and more popular question “Do you know of any onsen that will allow tattooed guests to enter?” is being asked. For this purpose, this site has been created to answer those questions. Many travellers become uneasy when they don’t know whether it is possible to enter a certain onsen.