Hoshi no koe (2003)

The love of Japanese high school students Mikako Nagamine and Noboru Tera is tested when Mikako is sent to fight aliens in a distant universe and voice mails to and from Earth become months to years in transmission.

Sumi Mutoh

as Mikako Nagamine ('seiyuu' version) (voice)

Chihiro Suzuki

as Noboru Terao ('seiyuu' version) (voice)

Donna Burke

as Operator ('seiyuu' version) (voice)