Crest of the Stars (Japanese: 星界の紋章, Hepburn: Seikai no Monshō) is a three-volume space opera science fiction novel written by Hiroyuki Morioka with cover illustrations by Toshihiro Ono. Beginning in 1999, the novels were adapted into anime series, the first of which ran for 13 episodes on WOWOW. The initial novel was followed by a second, ongoing novels series, Banner of the Stars (currently 5 volumes, aka Seikai no Senki), which was adapted into three sequel series to the anime—Banner of the Stars (13 episodes, aka Seikai no Senki), Banner of the Stars II (10 episodes, aka Seikai no Senki II) and both adapting the second novel, two recap movies—Crest of the Stars Special Edition and Banner of the Stars Special Edition, and an OVA Crest of the Stars Lost Chapter (aka Seikai no Danshō). The fourth anime series, adapting the third novel, Banner of the Stars III (aka Seikai no Senki III) is an OVA released in Japan in 2005.
 is a three-volume space opera science fiction novel written by Hiroyuki Morioka with cover illustrations by Toshihiro Ono. Beginning in 1999, the novels were adapted into anime series, the first of which ran for 13 episodes on WOWOW. The initial novel was followed by a second, ongoing novels series, Banner of the Stars (currently 5 volumes, aka Seikai no Senki), which was adapted into three sequel series to the anime—Banner of the Stars (13 episodes, aka Seikai no Senki), Banner of the Stars II (10 episodes, aka Seikai no Senki II) and both adapting the second novel, two recap movies—Crest of the Stars Special Edition and Banner of the Stars Special Edition, and an OVA Crest of the Stars Lost Chapter (aka Seikai no Danshō). The fourth anime series, adapting the third novel, Banner of the Stars III (aka Seikai no Senki III) is an OVA released in Japan in 2005.){kind=link}