Masako Ishihara was born on 19 May 2017 in Sapporo, Japan, the daughter of Arasaka middle managers secretly tied to Amaterasu, a covert eco-feminist faction within the corporation. Amaterasu fought for reform through intrigue, sabotage, and alliances with gangs, a legacy Masako would inherit. In 2025, her family moved to Tokyo, and Masako entered the Arasaka Academy, where she was groomed for corporate life until age eighteen. Joining Human Resources, she quickly surpassed expectations. Backed by Amaterasu, she rose to executive rank, pushing reforms but resisting the full nationalisation of Arasaka. Her mix of ambition, discipline, and faction loyalty marked her as a rising star. By 2045, Arasaka dispatched her to Night City, where she worked on rebuilding the corporation’s foothold. Masako turned this into an opportunity to expand Amaterasu’s influence, cooperating with gangs to secure leverage. In the process, she met Sara Jacobs, a netrunner of the Street Queens. Their partnership blossomed into love, forging a durable alliance between Amaterasu and the gang. The 2050s saw Amaterasu at its height, but during the Reconstruction Boom, the faction was exposed. In 2065, the corporate board purged its members. Cast out, Masako became a mercenary, carving a new life in Japantown with Sara, who later joined the Mox in 2067. Together they navigated the neon sprawl from the margins of power. By 2077, with Saburo Arasaka’s death, Masako once more attempted to shape the corporation’s future. Though no longer an insider, she carried the fire of Amaterasu and the skill to maneuver in both corporate and street politics. At sixty, Masako looks twenty-five thanks to advanced medicine and cyberware. Her emerald green eyes and faint facial implants highlight her poise, while her long hair, tied into a ponytail dyed in Bi Pride colors, marks her individuality. She dresses in white garments with gold accents, elegant yet bold, with deep cuts that project both authority and allure. Even in Night City’s chaos, she radiates the grace of her upbringing and the sharpened edge of survival.