Robot Girls Z

The story follows a new group of "Toei robot girls" called "Team Z," made up of three girls based on Toei's Mazinger Z franchise: Mazinger Z, Great Mazinger, and UFO Robot Grendizer. They usually do activities around Tokyo's Nerima ward to raise awareness of the promising future energy source "Photon Power" (koushiryoku). But sometimes a "Mechanical Beast" team of girls emerges from the "Subterranean Empire" and tries to steal the energy. So "Team Z" has to fight them to stop it, though sometimes they just go and beat up the "bad girls" to relieve stress.