Jinki: Extend

Jinki: Extend (ジンキ・エクステンド, Jinki Ekusutendo) is a 13-episode mecha anime series that aired on TV Asahi in 2005 as well as a currently running manga series.

Plot
The story revolves around two girls who end up piloting giant humanoid robots called "Jinki" (which translates to "man-machine") and the manipulation behind the scenes that drew them inexorably together in a final battle.