Human beings have turned their planet into a desert covered with garbage. The only place to live is the Megapolis, a giant city where men and robots are crowded, as well as the mysterious Ersatz, monstrous creatures hunted down by the Militia. In this world in perdition survives Misha, a young orphan girl with overdeveloped gifts of empathy. Unable to control her ability to read the emotions of others, she stays away from her peers. Yet it is thanks to this power that she finds Reborn, a morphing robot wandering without memory in the middle of a landfill.

This technological marvel is capable of adopting any appearance. Without hesitation, the girl made him take the form of Mickael, her best friend, of whom she has had no news since he was kidnapped by a group of Ersatz ten years ago. Where do these creatures come from? What happens to those they capture? No one knows... To find his companion, Misha joins the Reinforcements, a group of outstanding warriors and investigators! In exchange for their help, she puts at their service her psychic abilities and her ability to make Reborn an overpowering armor. The fight for the truth begins!