Ok not Kansai related, but tourists come here to find info on the Kansai region and they do end up traveling to/from Tokyo on their trips. This CNN video explains why the ban started and now it has ended. Tsukiji is back open! Tsukiji Tourist Ban Lifted
People traveling solo will find Japan very accomodating. There are capsule hotels, and lots of hotels have single priced rooms that don’t cause extra. A large portion of restaurants and eating establishments have either counters inside or walk up counters outside. Tourist offices located in most train stations can handle booking accomodations for you too.