Male. Alias: The Ultimate Spiker. A candidate for the World's Top 5 Spikers. Short white hair and blue eyes. He entered the Phantom League to save his friend, Jenny. He is currently in a confrontation with Raul. Position: WS (Wing Spiker). Ability: When hitting during an open chance, he delivers a spike that pierces through like a laser.

Female. Baek Siwoo's friend and manager. Short yellow hair and orange eyes. She came to the Phantom League to find Siwoo. She is a manager, not a player.

Female. Siwoo's long-time childhood friend. One of the World's Top 5 Spikers. Black ponytail and blue eyes. She entered the league to find Siwoo and Jenny. Position: WS, SE. Ability: She can move rapidly to wherever the ball is, regardless of her position, and spike the ball exactly where she wants.

Female. Long-time childhood friend of Siwoo and Seo Sara. Short pink ponytail and red eyes. Position: WS. Entered the Phantom League to gain recognition. Ability: The more she spikes, the higher she can jump (Maximum height: 4m 15cm).

Male. Short grey hair and yellow eyes. Former champion of the Phantom League. Position: WS. Entered to restore the Phantom League to its former glory. Ability: Becomes progressively stronger for every 3 points conceded; can perform powerful spikes using the power of the sun.

Male. Permed hair with a pink-to-green gradient and green eyes. Former prospect of the Phantom League. Position: MB, SE. Entered for the same reason as Oasis. Ability: Increases the speed and attack power of teammates. He sets up slow balls; if a teammate hits his set, their attack power becomes extremely high.

Female. Short white hair with turquoise two-tone highlights. Queen of the Colosseum. Position: WS. Came to the Phantom League to find her former teammates. Ability: Receiving a ball from the opponent builds up a counter gauge; her spike power increases proportionally to the gauge.

Male. Slicked-back grey hair. One of the World's Top 5 Spikers. Position: WS. The King of the Phantom League. Ability: Charges up with a run-up to spike. His attacks are impossible to defend against via digs or blocking.

Female. Blue ponytail. Position: SE. Reason for participation is unknown. Ability: Increases her team's defense and provides instantaneous recovery.

Male. Blonde undercut. Position: MB. Reason for participation is unknown. Ability: Increases the team's attack power, jumping height, and speed.