Follow the adventures of Team Z, a trio of Toei robot girls embodying characters from the Mazinger Z series, as they promote the futuristic energy source 'Photon Power' in Nerima ward. Their routine endeavors take a thrilling turn when the rival Mechanical Beast girls from the Subterranean Empire disrupt their mission to secure the energy. Team Z must engage in fierce battles to protect the precious resource, occasionally finding solace in facing off against other foes for a bit of stress relief. This unique anime, spanning three episodes, showcases the girls' valiant efforts in action-packed sequences, each airing comprising a trio of episodes with a total runtime of 27 minutes.