Mobile Suit Gundam SEED ASTRAY B (ガンダムSEED ASTRAY B) is a photonovel written by Tomohiro Chiba and published by MediaWorks. It follows the main SEED Astray storyline mainly from the viewpoint of Gai Murakumo of the mercenary group Serpent Tail, this novel servers to provide additional story and information to tie together some elements of the SEED Astray universe.
