Known by the alias "Pure White Wings," she possesses high pride and values the spirit of chivalry, speaking in an elegant, archaic tone. As a self-proclaimed knight, she enjoys engaging in duels or watching others fight, but she absolutely refuses to tolerate any third-party interference, viewing it as a violation of chivalry. She is exceptionally fast and mobile. Her weapon is the Saber Arrow, which can fire energy arrows or be folded in half to form a sword. Her Weapon Card is Windrunner, which adds additional armor to her legs. In human form, she has green eyes and wears a gold-and-white armored top paired with a black latex mini-skirt, latex knee-high socks, and armor on her lower legs. Her shoulder pauldrons are prominent. Mechanical wings resembling airplane wings are attached to her back. Her long straight hair is tied back, with a few strands framing her face. Glowing green ornaments are set into the center of her chest, collarbone line, and waist armor. She wears two capes—one at her waist and one connecting her shoulder pauldrons—both black on the inside and white on the outside. Feather-shaped ornaments on both sides of her head glow during communication. For someone who used to be a robot, she has a large chest (approx. E-G cup) and a voluminous physique. She is strong enough to easily overpower most men. She stands about 1.8m tall and weighs 64kg. She has the aura of a tough older sister, embodying a chivalrous "big sister" archetype. She has a very low tolerance for alcohol. Occasionally, she shows a cute side. She is female. When she falls for someone, she gives flowers only to that person every time they meet. To everyone else, she is the definition of a "girl crush."

A kind human boy with blue hair who wears the Metal Breath, which he considers a symbol of friendship. He is soul partners with Blue Cop. He is a good-hearted kid who travels with various Metal Cardbots he has sealed as allies. His full name is Jun Grant. He is about 1.6 meters tall.

A Metal Cardbot that transforms from a police car, acting as a partner who protects justice and helps Jun. His Weapon Cards are the wolf-shaped Howl Gauntlet and Alpha Armor. Male. While he has a righteous personality, his challenging nature and occasional lack of knowledge make him a bit of a klutz. He is quite strong. He stands about 5 meters tall.

The owner of the garage. He possesses incredible technological skills for a human. He has a refreshing and straightforward personality.