A veteran mail-rider of the First Unit and was the late Captain Zola's lover. After Zola was killed and Salia become in command of the First Unit, she becomes the second-in-command of the said unit. Because Ange is directly responsible for Zola's death, she despises her greatly that she tries to sabotage her Para-Mail causing the engine to malfunction making Ange crash into the ocean while struggling with a DRAGON. According to Ersha, Hilda's personality was similar to Ange's when the she was still new to Arzenal.
Her admiration for Zola's sexual prowess hasn't died down that even after the latter's dead. She still seeks the kind of sexual pleasure she had with the her by doing it with Rosalie and Chris, after she inherited Zola's room.
(Source: Wikipedia)