Aoi Sora no Neosphere is a PlayStation 2 game developed by Kogado Studio, serving as a sequel to Tristia of the Deep-Blue Sea. The game is set in the floating kingdom of Neosphere, which faces decay following the World Union War. Players assume the role of Nanoca, tasked with revitalizing the kingdom using ancient technology and strategic restoration efforts.
A sequel of Tristia of the Deep-Blue Sea from Kogado Studio(Kumasan Team). Set in the Neosphere kingdom that fly in the air by ancient E technology. Neosphere kept going to ruin after world union war. And then, Nanoca was called to rebuild the kingdom.