Space Busker 2061: The Tales of Wild Billy Whitlow and His (Alleged) Deliverance of the Earth From Mortal Peril

In 2049, a group of children got stuck in space. Well, stranded in space - they're still able to move about freely. That is, barring any personal injuries, or really sticky floors or something like that. The point is that twelve years later, they have gradually learned to make peace with their fate… all except the one who knows the secret to their return to Earth.