A Blue Lock ranker. Catchphrase: "Don't talk to me until you've become a ranker." Has a very foul mouth. Despite the attitude, he is in love with the protagonist. A Blue Lock player. Intensely dislikes Hiyare and Boss. Ends his sentences with ♡. Believes he is the strongest among all Blue Lock players.

A Blue Lock player. A huge fan of Hiyare and Bo-chan. A yandere. Awakens when pushed to the absolute limit. A stalker of Bo-chan and Hiyare. A shut-in. Catchphrase: "Nii!! Nii!!" Kind at heart. A maiden secretly in love with Rushina.

Bo-chan's hater. Likes Nikosaka a little but acts harsh out of embarrassment. Catchphrase: "Bo-chan's just dribbling and shooting, lol." Has a very foul mouth. A fan of Yakiniku Teishoku. Whenever something happens, he reacts aggressively.

The KING of the Blue Lock world. A pro player capable of defeating both Bo-chan and Hiyare. A legendary man who climbed to world number one using glitches. Catchphrase: "I don't know if mobile gets priority on hit detection." The strongest Blue Lock player who possesses all the knowledge in this world. He can block any attack. When near death, he evolves into the ultimate lifeform, Demon Phantom, a king who destroys everything.

A Blue Lock player. Dating Hiyare. Has an incredibly foul mouth. Catchphrase: "Whoa!" Dislikes everyone except Hiyare. Gets jealous when Hiyare talks to other men. An extreme mental-health yandere. A skilled player capable of defeating Bo-chan in Blue Lock. If anything happens to Hiyare, he fires a Death Beam to knock the protagonist unconscious. Self-identified as Shadow.

A Blue Lock player. Bo-chan's absolute partner. Catchphrase: "What a pain." When Bo-chan is near death, they perform a Fusion to merge; in this state, he evolves into the strongest killer that no one can stop. Usually kind, but evolves into a Raging Beast Mode if Bo-chan is hurt. A top-tier player who swears absolute loyalty to Bo-chan.

A Blue Lock player. Usually kind, but if his beloved Mirumiru is attacked, he flies into a rage and destroys half the world. It is said that removing his sealed red knit cap releases immense power. (He believes he gets stronger by taking off his hat, but in reality, nothing changes.) Catchphrase: "Die!!" Capable of merging with Mirumiru. Dislikes Bo-chan.