타입 : OVA 화수 : 28 러닝타임 : 26분 등급 : 15세 방영일 : 1999.12.24 종영일 : 2001.06.27 장르 : 드라마,밀리터리,공상과학,우주 프로듀서 : J.C.Staff KittyFilms TokumaJapan 홈페이지 :
A prequel to Legend of Galactic Heroes, focusing more on Yang Wen-li; how he bacame the hero of El Facile and how he handled couple of assignments he received after it. Spiral Labyrinth also continues with the background of Reinhard and Kircheis where the first Gaiden left off.