Male model Masayoshi Hazama decides to become a superhero, despite having no superpowers or the technology to create a high-powered suit. He becomes the hero, Samurai Flamenco and begins to fight crime in the name of justice. Police officer Hidenori Goto finds out about Samurai Flamenco and his real identity by a twist of fate, which leads to him getting involved in lots of trouble. These two young men will come face to face with hardships of being crime-fighters while discovering what it truly means to be a hero of justice.

Tells the story of how a little girl was able to achieve world conquest with the use of her magical powers and faithful followers.

Based on Kotobukiya's Frame Arms Girl model kit line. The anime will focus on Gourai, the first model released for the line, as well as Stylet and Baselard.