Rei Kirisawa
Utama
Voiced by Kaori Okuda (奥田香織) in both Rei Zero and Rei & Fuko and by Miyabi Shion (紫苑みやび) in the Eroge version.
Asako Dodo← Kembali ke detailAsako Dodo 
Mioko Fujiwara
Karakter & Staf
Rei ZERO
Karakter
Asako DodoShoko Munei
Utama
Voiced by Imai Mizuki (今井美月) in first episode and by Suwamura Towako (沢村十和子) in the second.
Mioko FujiwaraStaf
LILITH
Original Creator
ZOL
Original Character Design
Heisaku Wada
Director
Hideo Okazaki
Director of Photography
Tomohiro Yoshida
Sound Director
Kouichi Murakami
Producer
Ruri Yakushi
Theme Song Performance (ED)
Ryuuji Tsuzuku
Key Animation (ep 1)
Masamune Hirata
2nd Key Animation (ep 1)
Ruri Yakushi
Theme Song Composition (ED)
Ruri Yakushi
Theme Song Lyrics (ED)
Kazuhito Kikuchi
Theme Song Arrangement (ED)