Zero Two is the main heroine and deuteragonist of DARLING in the FRANXX. She is a human-klaxo sapien hybrid and a member of the APE Special Forces, primarily fighting on the front lines. As an elite Parasite with the codename "002", also known as the "Partner Killer," Zero Two had always accepted solitude due to her horns and Klaxosaur blood. Despite having no regard for human life or her own and being accustomed to fighting solo, she took an interest in Hiro. She offered him an opportunity to pilot with her, making him her new partner and "darling."

Zero Two's exceptional abilities as a hybrid, including her regenerative powers and unique connection to the FRANXX units, make her a formidable asset to humanity's forces. She often assists Hiro and other Parasites in battles against powerful klaxosaurs. Her journey alongside Hiro forms the story's emotional core as they strive to understand their past, purpose, and feelings for each other.

Personality and Appearance

Zero Two appears as a young woman with pale skin, long pink hair, and two red horns protruding from her head. Her most distinctive features are her fangs and turquoise eyes with red rings around the pupils. She typically wears a military uniform consisting of a white overcoat, a red uniform underneath, and white boots.

Zero Two's personality is complex and multifaceted. She is often playful, flirtatious, and rebellious, with a penchant for breaking rules and pushing boundaries. However, she can also be cold, ruthless, and indifferent, especially in battle. Her experiences have left her cynical about human nature and society, but her relationship with Hiro changes her outlook on life and her humanity.

Powers and Abilities

• Hybrid Physiology: As a human-klaxo sapien hybrid, Zero Two possesses enhanced physical abilities and rapid healing.
• FRANXX Piloting: Zero Two is an exceptional FRANXX pilot, capable of operating the units with unparalleled skill and power.
• Regeneration: She can heal from injuries at an accelerated rate.
• Enhanced Strength and Agility: Zero Two possesses superhuman strength and agility.
• Klaxosaur Transformation: Zero Two can partially transform into a more klaxosaur-like form under extreme circumstances.
• Strelizia Connection: She has a unique bond with the FRANXX unit Strelizia, allowing for unprecedented synchronization and power output.

Trivia

• Zero Two has a deep love for sweets, especially honey.
• She is known for her catchphrase "Darling," which she uses to address Hiro.
• Zero Two cannot have children due to her hybrid nature.
• She learned about the concept of kissing and love before her fellow Parasites.
• Zero Two is based on the folk tale "The Beast and the Prince," which plays a significant role in her backstory.
• Her code number "002" can also be read as "oni" (demon) in Japanese, referencing her horns.