Optional Tours - Japan  Japan Optional Tours, or JTB Sunrise Tours, is the most respected sightseeing tour and hotel accommodation brand in Japan. This package tour lineup includes capable English-speaking guides and all of the major must-see spots in Japan with daily, guaranteed departures form northern Hokkaido all the way southward to Kyushu. These tours dates back more than 30 years, and has cared for more than 5 million travelers from all over the world.