Zero Two

Zero Two (ゼロツー, Zero Tsū) is one of the main characters in DARLING in the FRANXX series. She is an elite FRANXX pilot who is a member of a race of humans with klaxosaur blood. She is the pistil of the Franxx, Strelizia.

She is voiced in Japanese by Haruka Tomatsu (who also voices Asuna in the Sword Art Online series) and in English by Tia Ballard.

Appearance
In her human form, Zero Two has long pink hair and a pair of red horns on her head. Her eyes are cyan with pinkish-red eyeliner. She has a slender and athletic figure. She is the tallest girl among the squad and about the same height as Hiro.

Zero Two has a distinct red uniform that no other parasite or personnel seem to share. Her full ensemble is composed of a white military cap with a matching overcoat and boots. She is at often times seen wearing her signature red uniform, black leggings, and white boots. She also wear a limiter headband on her horns for currently unknown reasons.

Zero Two is usually seen eating a lollipop.

Personality
Zero Two's personality is described as dangerous yet alluring. She's an elite pilot with the pseudonym "Partner Killer" (パートナー殺し, Pātonā-Goroshi), given the mysterious happenings of her co-pilots dying after a short number of FRANXX outings.

- Zero Two has a sense of humour tempered by some empathy. - Zero Two is apparently lacking in decorum and etiquette: - Zero Two appears to have a sweet tooth. - Zero Two has a sense of duty or virtue.
 * She jokingly accused Hiro of being a pervert, but understands he actually rushed in to save her from drowning.
 * She playfully antagonizes Nana, but still complies with orders (sometimes)
 * She casually converses completely naked with Hiro, whom she just met. She subsequently seduced him.
 * She eats with her bare hands, and has not been seen using cutlery.
 * She used Zorome's uniform as a napkin to wipe the honey off her hand (while he was still wearing it).
 * She nonchalantly sat on Hiro's lap while Ichigo was present and the parasites were having breakfast.
 * She also has a habit of licking herself and others.
 * She charged into the boy's bath while Hiro's any naked. Without regard that it was the boy's bath.
 * She always has a lollipop.
 * She pours a gratuitous amount of honey on her food before eating it, as well as on Hiro's food when they are sharing.
 * She was willing to sacrifice herself piloting a FranXX by herself in order to save Plantation 13.
 * She peacefully complied with guards orders with minimal resistance (initially).

Etymology
Zero Two's nickname can be read as "oni": "o" from "0" which can be written as "○" in kanji and ni from 2 (, ni). Oni means "demon," a reference to pair of horns on her head.

Trivia

 * Zero Two wears pink panties.
 * Zero Two is the only known member of the APE Special Forces Unit (so far).
 * Zero Two demonstrates impressive agility performing somersaults and flips then landing on her feet eveytime as if she was lighter than a feather.
 * Only known character to be a klaxosaur hybrid, and to have red horns.
 * Zero Two is the only known character to lick.
 * Zero Two eats with her hands, never seen to be using cutlery.
 * Characters licked by Zero Two:
 * Herself = She doesn't like how she tastes.
 * Hiro = She said he tastes like danger.
 * Ichigo = She said she tastes sweet.
 * Zero Two and Hiro have the same eye color
 * Zero Two has a sweet tooth. She is almost always seem with her lollipop. She also pours inordinate amounts of honey on her meals.
 * Zero Two has never seen an ocean but would like to taste it.
 * Zero Two is Hiro's 1st kiss.
 * Zero Two strongly resembles Lala Satalin Deviluke. A female heroine from another Kentaro Yabuki manga, To-Love-Ru (2008):
 * They both have pink hair.
 * They both have green eyes.
 * They both are inhuman [Lala is an alien / Zero Two is a human-klaxosaur hybrid]
 * They both have devilish features; Lala as a Succubus has tail and wings; whereas Zero Two has cute red devil horns.
 * They are both devoted to the male protagonist.
 * They share the same voice actress Tomatsu Haruka. Her other works include: Yuuki Asuna(Sword Art Online), Orimoto Kaori (Yahari Ore no Seishun Love Come wa Machigatteiru), Eina Chūru (Is It Wrong to Try to Pick Up Girls in a Dungeon?), Mashiba Mitsuki (Working!!!), and Yasuhisa Nashiro (Tokyo Ghoul).