• Park Yuhwa • Female • Leader of the Surplus Special Force. Dating Kang Su-hyeong. Childhood friend of Kwon Ja-un. • Ability: Space Folding

• Ju Gyu-ri • Female • Member of the Surplus Special Force. Dating Choi Ji-san. • Ability: Memory Storage

• Lee A-ri • Female • Member of the Surplus Special Force. She likes Choi Ji-san, but her love is unrequited. • Ability: Stasis Arrow

• Choi Ji-san • Male • Member of the Surplus Special Force. Dating Gyu-ri. Unaware of Lee A-ri's feelings for him. • Ability: Barrier

• Kang Su-hyeong • Male • Member of the Surplus Special Force. Dating Park Yuhwa. • Ability: Blue Hole

• Kwon Ja-un • Male • Member of Aurum (Earth Star). Childhood friend of Park Yuhwa. • Ability: Object Melting

• Hwang Hong-yeon • Female • Recruited Park Yuhwa into the Surplus Special Force. • Ability: Empty Body Manipulation

• Mun Yul-seo • Female • Member of Aurum (Earth Star). Close friends with Song Da-rae. • Ability: Energy Ball

• Song Da-rae • Female • Member of Aurum (Earth Star). Close friends with Mun Yul-seo. • Ability: Teleportation

• Kim Je-hyeon • Male • Leader of Aurum (Earth Star). • Ability: Memory Manipulation