Hoshi no Koe
Voices of a Distant Star (ほしのこえ, Hoshi no Koe, lit. "Voices of Stars") is a Japanese anime OVA by Makoto Shinkai. It chronicles a long-distance relationship between two close friends who communicate by sending emails via their mobile phones across interstellar space. It was originally released to DVD on February 2, 2002, and has since been broadcast across Japan on the anime satellite television network, Animax.