Kyōko Ibara features as a main character in the visual novel *Otome wa Boku ni Koishiteru: Trinkle Stars* and its OVA adaptation. She enters Saint Ceral Girls' Academy as a high school transfer student, collaborating with protagonist Hisoka as backup bodyguard for Orihime, heir to the Jinsei Corporation.

Kyōko possesses violet hair styled in a shoulder-length bob cut with distinctive V-shaped bangs. Her eyes are noted as either pink or garnet across sources. She stands 162 cm tall with a slim frame and pale complexion, typically dressed in the school uniform, knee-high socks, and loafers.

Her personality merges sharp wit with logical thinking, frequently teasing other characters—especially Hana—through sarcastic and observant remarks. Though outwardly confident and critical, she conceals hidden vulnerabilities and an implied dark past without disclosed specifics. She wrestles with masking her growing affection for Hisoka, succeeding more effectively than other heroines.

Within the narrative, Kyōko’s route diverges late from Orihime’s path. Her arc culminates in a three-way dynamic with Hisoka and Orihime, leveraging their contrasting traits—Kyōko’s rationality, Orihime’s whimsicality, and Hisoka’s mediation—to resolve conflicts. Her background as Hisoka’s professional collaborator reinforces her dual role in security operations and emotional support within the school hierarchy.