: The leader of the Kuroki Syndicate (Yakuza) who lures Marcus to the school. She is later revealed to be reporting his progress directly to Master Lin.

: A member of the Soto Vatos who manipulates Marcus into a rivalry with her abusive boyfriend, Chico , to serve her own escape plans.

: The "Rat"—an unaffiliated student who carries the reputation of a mass murderer after burning down a boys' home, though his true guilt is left ambiguous.

: The leader of the Final World Order who poses as a hardened killer but "chokes" during their assignment, forcing Marcus to take the life he couldn't. The 1980s Counterculture Aesthetic Deadly Class Season 1 Episode 1: Reagan Youth Recap