Second volume of the manga got released today (28/12/2006)
Shounen manga.
Serialized in: Dragon AGE
There's also a shounen light novel titled
Kyoshiro to Towa no Sora -zensoukyoku- (Kyoshiro to Towa no Sora -Prelude-) thats going to get released on 20/2/2007 under the shounen light novel label
Fujimi Fantasia Bunko.