Twins Ai and Yu Hayakawa decide to set forth in search of their parents and the mysterious dimension they studied.
Not streaming on a subscription service in the US right now.
Starring Nobutoshi Canna, Haruko Momoi, Akira Ishida, Kana Ueda, Kyoko Hikami, Kikuko Inoue, Yuka Imai, Brian Jepson, J. Hudson Brownlee, Jessica Schwartz