Please start two seperate threads for the two shounen manga adaptations of
Sora wo Kakeru Shoujo:
The shounen manga titled
Sora wo Kakeru Shoujo R started serialization in the shounen manga magazine
Comic REX starting from the March 2009 issue (released on February 9th).
The shounen/seinen manga titled
Sora wo Kakeru Shoujo D started serialization in the shounen/seinen manga magazine
Dengeki Daioh starting from the April 2009 issue (released on February 27th).
Thanks