Twins Ai and Yu Hayakawa decide to set forth in search of their parents and the mysterious dimension they studied.
Some links on this page are affiliate links. We may earn a commission on purchases made through them, at no extra cost to you. Learn more.
Nobutoshi Canna
Haruko Momoi
Akira Ishida
Kana Ueda
Kyoko Hikami
Kikuko Inoue
Yuka Imai
Brian Jepson
J. Hudson Brownlee
Jessica Schwartz