"Earth has been abandoned as a nature preserve, and the human race now occupies the Ring System, a gigantic structure that surrounds the planet. Mitsu has just started working as a window washer, a dangerous job that five years ago led to the loss of his father. Mitsu meets two new clients, both lonely in their unique ways. Meanwhile, his work ethic catches the eye of the other employers. Sohta, already overqualified for his job at the power plant, gets demoted due to nepotism and channels his frustration toward the surface of the earth. Another day, another dollar for the workforce of Saturn Apartments" -- p. [4] of cover.