Circus acrobat framed as the masked thief K-20, trains under Genji to master disguises and thievery, infiltrates a police facility to help scan a Tesla device blueprint, battles Akechi to stop the weapon's activation, and ultimately assumes the K-20 identity.
Heikichi inherits the K-20 identity, shifting his narrative role from framed acrobat to master phantom.
Yoko acts as a guardian figure who repeatedly intervenes to save Heikichi from danger.
Genji serves as the professional instructor who teaches Heikichi disguise and theft techniques.
Explore the full interactive character relationship map of K-20: The Fiend with Twenty Faces