Bai (白)
Hei's younger sister. Bai is the Contractor responsible for the disappearance of Heaven's Gate five years prior to the story's setting and had since vanished. Her name means white in Chinese, while Hei means black.
Voice Actors
Kaori Nazuka
Japanese
Larissa Wolcott
English
Yuna Fujii
Japanese
Min Jeong Yeo
Korean
Carmen Calvell
Spanish
Kerstin Kramer
German