"Toei Robot Girls" is a short-form anime series that reimagines classic Toei robot anime characters as anthropomorphic girls. The narrative centers around a group of these robot girls, each representing a famous mecha from Toei's history, such as Combattler V, Voltes V, and Daimos. The series blends comedy, action, and lighthearted parody, with the girls navigating everyday life while occasionally engaging in battles reminiscent of their original mecha counterparts.

The story unfolds in a world where these robot girls coexist with humans, often working together to protect their environment from various threats. Each episode is episodic, focusing on the girls' interactions, their unique personalities, and their attempts to adapt to human society. The characters retain traits and abilities inspired by their original mecha forms, which are humorously integrated into their daily lives. For example, Combattler V's representative might struggle with her tendency to combine with others at inconvenient times, while Voltes V's counterpart might grapple with her fiery temper.

The series does not follow a continuous plot but instead offers a series of vignettes that highlight the girls' quirks and their relationships with one another. The tone is light and comedic, with occasional nods to the dramatic and action-packed nature of the original mecha series. The robot girls often face exaggerated, humorous challenges that parody the tropes of classic mecha anime, such as over-the-top transformations or dramatic confrontations with minor inconveniences.

Main characters include Combattler-chan, Voltes-chan, and Daimos-chan, each embodying the spirit of their respective mecha while adding a playful, humanized twist. Their interactions with humans and each other drive the series, creating a blend of nostalgia and modern humor. The series serves as both a tribute to and a parody of Toei's mecha legacy, appealing to fans of the original works while offering a fresh, comedic take on the genre.