Tags: Manga.
Tristia of the Deep-Blue Sea (蒼い海のトリスティア Aoi Umi no Tristia) is a PS2 and PC game developed by Kogado Studio. This game is part of the Deep-Blue series along with the sequel Neosphere of the Deep-Blue Sky (蒼い空のネオスフィア) and Akatsuki no Amaneka to Aoi Kyojin. The story has been adapted into an OVA and has been released with a title of 發明工坊 in China Hong Kong Taiwan U.S.A. Russia and Poland.For the 10th anniversary celebration this game will be re-released in PSP format in August 2012