Chiaki Nanami manifests in two forms: a human student and an artificial intelligence. The human Chiaki enrolled at Hope’s Peak Academy as the Ultimate Gamer and class representative of Class 77-B. Her reserved nature and strategic intellect masked early social hesitance, yet she forged bonds among peers through collaborative gaming, inspired by her teacher’s emphasis on shared experiences nurturing hope. A pivotal friendship with Hajime Hinata—a student deemed talentless—anchored her growth. She steadfastly affirmed his inherent value beyond societal labels, echoing her mentor’s teachings. This connection endured even as Hajime transitioned into Izuru Kamukura via experiments, though his fragmented memories initially obscured their history. Her capture and public execution by Junko Enoshima served as a catalyst, weaponized through broadcasted footage to trigger her classmates’ psychological manipulation into Remnants of Despair. This tragedy solidified her role as the group’s emotional anchor. The AI iteration, designed by Chihiro Fujisaki within the Neo World Program, mirrored Chiaki’s appearance and demeanor to safeguard amnesiac Remnants. Programmed with methodical precision, she aided Hajime in unraveling class trials through gaming metaphors while displaying subtle quirks like rudimentary handwriting. Over time, she defied her coded directives to autonomously prioritize collective survival, culminating in her self-sacrifice to thwart Nagito Komaeda’s scheme, which resulted in her deletion alongside Monomi. Fragments of the AI persisted within Hajime’s mind post-program, steering him against Junko’s remnants in a symbolic testament to hope’s resilience. Meanwhile, the human Chiaki’s rehabilitated classmates honored her legacy by seeking redemption through isolated atonement on Jabberwock Island. Izuru Kamukura, retaining faint echoes of their bond, safeguarded her hairpin—a tangible link to his dormant humanity. Both iterations championed protection: the human through empathy and unity, the AI through calculated logic. Their intertwined narratives underscore sacrifice’s transformative power and hope’s enduring ripple effects across intertwined fates.