Zero Two — Character Description Zero Two (ゼロツー, Zero Tsū), also known as Code:002 or 9'℩ (Nine Iota), is the main heroine and deuteragonist of the anime and manga series DARLING in the FRANXX. She is a human-klaxo sapien hybrid and an elite pilot in the APE Special Forces, primarily fighting on the front lines darling-in-the-franxx.fandom.com+1. Appearance Zero Two is around 170 cm tall with pink hair, green eyes, and distinctive red horns growing from her head. She often wears a vivid red bodysuit or later a white uniform like her teammates, and is known for her sharp, playful grin anibase.net. Outside battle, she enjoys casual, nonconformist clothing and has little regard for societal norms anibase.net. Personality She is bold, unruly, and self-confident, with a mix of childish humor, cynicism, and fierce determination. Zero Two is emotionally detached toward most people, using mocking humor and nihilism to keep others at arm’s length, but she is fiercely devoted to Hiro, whom she calls her “darling” anibase.net+1. She hates authority, rules, and societal expectations, and is both passionate and fiercely rational in battle anibase.net. Background Zero Two was created from the DNA of a Klaxosaur princess and is the only successful human-klaxo sapiens hybrid. She was raised in captivity, subjected to cruel experiments, and kept isolated in a lab. Her only comfort was a storybook, The Monster and the Prince, which fueled her desire to become fully human anibase.net+1. She escaped with Hiro, but their memories were erased, and they were recaptured. Despite this, her longing to become human and reunite with Hiro remained strong anibase.net. Abilities and Role As a Stamen (pilot), Zero Two is assigned to the elite “9’s” unit under the codename “9’℩.” Her compatibility with FRANXX units is unique but dangerous — partners riding with her rarely survive more than three sorties, earning her the infamous reputation as the “Partner Killer” darling-in-the-franxx.fandom.com+1. She is a prodigy pilot capable of unlocking special combat forms and is feared for her ruthless, animalistic fighting style anibase.net. Relationships Zero Two’s only known romantic interest is Hiro, the protagonist. Their relationship begins as a partnership in piloting the FRANXX Strelizia, but it is strained by her feral tendencies and his fear of her. They eventually sacrifice themselves to save humanity, only for their souls to reincarnate as children thousands of years later, rekindling their bond darling-in-the-franxx.fandom.com. In summary, Zero Two is a charismatic, dangerous, and emotionally complex character whose journey blends themes of identity, love, and the struggle to become human.