Anime Voice

To what distance would you go for your one true love? In the midst of an alien invasion, Mikako joins the resistance, leaving behind the one young man she loves. As she goes deeper into space, Mikako's only connection with her boyfriend is through cell-phone text messages. The war rages on and years pass, but Mikako barely ages in the timelessness of space while Noboru grows old. How can the love of two people, torn apart by war, survive? [from Tokyopop]

From MangaTemple:
How can the love of two people survive when they're separate through time and space? In a future filled with a boundless potential for interstellar peace and prosperity, Mikako get send out on a research team to explore the recent contact between humans and alien races. She ventures out into space, leaving behind Noboru, the one guy she loves. As she travels deeper into this new frontier, her only connection with her boyfriend is through cell-phone text messages. But the years pass, and Mikako barely ages in the timelessness of space--while Noboru grows older and considers moving on with his life...In this timeless romance between star-crossed lovers in the most tragic of settings, there are some places man may not be ready to go.

Other Titles: Voices of a Distant Star, Star's Voice

Genres: Drama, Romance, Sci-fi, Seinen, Shoujo
Artist(s ): SAHARA Mizu, YUMEKA Sumomo
Author: SHINKAI Makoto
Official Volumes: 1
Scanslation Status: Complete
Scan Group: Manga- Sketchbook

Hoshi no Koe Volume 01