In the future, four years from now, the world is in disarray. Human civilization is hindered by the loss of 10,000 meters of dense woodland, replaced by an endless desert. In search of a new home, they venture into the land of Meshichi and join forces with the Anbots. Sanzou and Gokyuu cross paths as if by destiny. They embark on a journey together, accompanied by the mysterious Sanzou, the formidable and notorious Anbot Gokyuu, the drinking enthusiast Tongoh, the skilled mechanic Jou, the female thief Suuji, and the enigmatic Mioto. Together, they set out on a journey to the boundless East, in search of the land where the sun was first born.