2142: Pollution and climate change wiped out most of Earth's population. Ecoban city is built to withstand this. Suppression results in revolt. A childhood couple find each other as adults on opposing sides.
The story is set in Asura, the dimension of pure desire according to ancient Buddhist mythology. The mythical realm is threatened by a coup from a lower heavenly kingdom and the story follows from there.
A humanoid robot is asked to replace Hal, who was killed in a terrible accident, in order help Hal's girlfriend move on in life, but struggles to understand the real Hal's past and the meaning of being alive.
Japan, 2077: A female agent named Vexille is dispatched to Tokyo to investigate whether Japanese are developing robotic technology, which has been banned by the U.N. due to its potential threat to humankind.