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Stiletto is a character from Kotobukiya’s model kit series Frame Arms Girl.

She is the anthropomorphized version of the Frame Arms “Stiletto” mecha, reimagined as a blue-haired, armored girl with futuristic design elements.

Stiletto features short blue hair with distinctive twin-tail attachments, light blue eyes, and a stylish, mechanical bodysuit.

Her equipment is inspired by aircraft weaponry, including missiles, a gatling gun, and knives.

Known for her tsundere and competitive personality, Stiletto often sees Gourai as her rival but also cares deeply for her friends.

In the anime adaptation, she is voiced by Ogura Yui.