Ai Shindō is the central character in the 2019 film *City Hunter: Shinjuku Private Eyes*. A university student studying medicine who also works as a model, her past is shadowed by the suspicious traffic accident that killed her father, an engineer. This event drives the film's central conflict, as her father developed a dangerous satellite system capable of controlling military-grade attack drones. Ai becomes the target of mysterious assailants due to her unique biological connection to the technology; her iris pattern is the key to activating it. Forced to seek protection, she turns to bodyguards Ryo Saeba and Kaori Makimura. Portrayed as intelligent, independent, and confident, Ai nonetheless carries underlying vulnerability stemming from her traumatic past. She exhibits strong responsibility and loyalty, traits aligned with analyses noting her commitment to resolving her personal conflicts. Her interactions with Ryo and Kaori propel the narrative. While starting as their client, Ai forms a close working relationship with Ryo, adding emotional complexity to his character. Their dynamic includes moments of levity, such as Ryo accidentally encountering her in the shower, leading to comedic retaliation from Kaori. Despite this, Ai's core role remains tied to the conspiracy involving her father's invention. The climax reveals Shinji Mikuni, an IT CEO and former acquaintance of Kaori, seeks to weaponize the drone system, intending to use Ai as his tool. Ai's character development focuses on her transition from a vulnerable target to a resilient individual confronting her past. Her resolve is tested during intense action sequences, including a moment in Shinjuku's Golden Gai district where she uses an MP5K submachine gun to defend Ryo. Her emotional journey culminates in resolving her father's legacy, achieving closure for her background story.