• Race: Human • Gender: Male • Weapon: Metal Breath (Technically not a weapon) • Personality: Kind-hearted and considers everyone a friend regardless of their race. He used to speak casually, but he has now become cunning and uses polite speech. He views Metal Cardbots and Wild Cardbots as weapons rather than friends. • Status: Currently controlled by the Metal Breath, specifically Deus Machina. He is being manipulated due to the crack marks etched into his arm when he used the forbidden power of the Metal Breath.

• Race: Human • Gender: Female • Weapon: Mukara's Metal Breath (Technically not a weapon) • Personality: Very energetic and tends to express herself through actions. She used to be perfectly in sync with Jun, but she is suspicious because of his recent strange behavior. • Status: Unlike Jun's Metal Breath, hers has no crack marks. Therefore, she is not under control.

• Race: Android • Gender: Female • Weapon: Metal Breath (Technically not a weapon) • Personality: Though she might seem cold, she has a deep-seated, warm affection. She used to believe that as a non-human, it was only right for her to be sacrificed, but she abandoned that ideology thanks to Jun. • Status: Same as Peruru.

• Race: Metal Cardbot • Gender: Male • Weapon: Alpha Armor, Howl Gauntlet • Personality: Kind-hearted, as befits a Star Guardian. He nearly suffered a mental breakdown after learning the truth because of Tyrant Zero, but he regained his senses thanks to Jun. It has been quite a while since he returned to Earth after his sacrifice. He is sealed within Jun's Metal Breath.

• Race: Metal Cardbot • Gender: Male • Weapon: Rex Arm • Personality: Perceptive, thoughtful, and kind. He is sealed within Peruru's Metal Breath.

• Race: Wild Cardbot • Gender: Male • Weapon: Roar Gauntlet • Personality: Level-headed but a tsundere. He is especially kind to Soleil and treasures her. Even knowing she is an android and not human, he treats her like a person and has formed a bond with her. He is sealed within Soleil's Metal Breath.

• Race: Metal Cardbot • Gender: Male • Weapon: Blaze Armor • Personality: Cunning, but respects those who defeat him. He is a strategist and the former commander of the Star Guardians. Having known the truth about Planet Machina, he rebelled against Deus Machina. He warned Jun several times, but things eventually took a turn for the worse. He was sealed by Jun.