9's, DARLING in the FRANXX Wiki

The Nines (９’ｓ(ナインズ), Nainzu) are a special forces unit directly controlled by APE. They were created by Dr. FRANXX as soldiers and usually fight at the 'frontlines'. They also assume the role of "secret police", operating directly under Papa and carrying out his commands, maintaining order within plantations. They are unbound by any restrictions, including Plantation 13: Cerasus. In the MATO comic, the 9's are described as a set of pastels due to their light hair colors. All of them have glassy

9'α, DARLING in the FRANXX Wiki

9's, DARLING in the FRANXX Wiki

Zero Two, DARLING in the FRANXX Wiki

File:Cosplayer of Zero Two, Darling in the Franxx 20181209c.jpg

9'α, DARLING in the FRANXX Wiki

Zero Two - Wikipedia

9'α, DARLING in the FRANXX Wiki

Darling in the Franxx (TV Series 2018) - Episode list - IMDb

9'δ, Wiki