Kyōko "Okyō" Jōnouchi operates as secretary to Cyber Police commander Juzo Hasegawa, managing administrative tasks and acting as the primary conduit between him and three convicted operatives working missions to shorten their sentences. Pragmatically recognizing the operatives’ talents, she openly acknowledges their expertise more than her superior does.

Her exchanges with operative Shunsuke Sengoku carry a tension tinged with mutual yet restrained romantic interest, complicated by her law enforcement role and his criminal status. During high-stakes operations—such as neutralizing a skyscraper’s hijacked central computer—this dynamic sharpens, her concern for his safety surfacing despite his defiant actions.

The series maintains her portrayal as a steadfast liaison, centering on her professional responsibilities and the quiet emotional weight she carries regarding Sengoku’s missions. No expanded backstory, personal motivations, or character evolution beyond these parameters are disclosed in existing media narratives or adaptations.