Official website: https://www.aika-zero.com/
Casts
Ami Koshimizu
Sumeragi Aika (voice)
Miyuki Sawashiro
E.T.A.I. (voice)
Misato Fukuen
Shinkai Eri (voice)
Mikako Takahashi
Shirakiku Rin (voice)
Mamiko Noto
Minamino Karen (voice)
Akio Otsuka
Gozo Aida (voice)
Asami Shimoda
Shiraishi Kana (voice)
