夢みる月のルナルティア

This is the first title by Arianrhod. In a slightly different future, there is an atmosphere on the moon and people study science and magic there. The protagonist transfers into a magic school on the moon aspiring to become an alchemist. His mahou shoujo imouto Satsuki, and classmates Asuka (swordswoman) and Enora (shaman), help him with attaining his dream. However, some residents of the moon find their adventures to be a nuisance and want them to leave…

[From Hau~ Omochikaeri!]