Vagabond

By the 26th Century, humanity has spread across space. However, Earth is deteriorating. Madoka is forced to flee during a war with a message to find a girl named Tomoe Mami. At the same time, Mami and her friends Homura and Kyouko discover a strange secret, but their investigation could be far more dangerous than they ever imagined. (HomuMado/Sci-Fi AU/Response to Foxtrot0220)