Humanity has found a way to achieve infinite energy by using coils to draw it from the fourth plane: dimension "W". With the production of coils having been monopolized by the New Tesla energy company ...

Loser shows the others his memories, and Kyōma starts to remember more of his past as they search for the lost coil, Genesis.

In the year 2072, the world's energy problems seem solved by a network of cross-dimensional electric-field inductors called "coils" that extract energy from a seemingly infinite source. That source is ...