- 1 - 20Look for TomorrowMar. 27, 2004
- 1 - 19What You Can Do NowMar. 20, 2004
- 1 - 18Marika & MarikaMar. 13, 2004
- 1 - 17Survival TrainingMar. 06, 2004
- 1 - 16Asumi`s Cherry TreeFeb. 28, 2004
- 1 - 15All AloneFeb. 21, 2004
- 1 - 14Sad, Smiling FaceFeb. 14, 2004
- 1 - 13The Promised FiveFeb. 07, 2004
- 1 - 12Our Star, the Leaf StarJan. 31, 2004
- 1 - 11Wounded WingsJan. 24, 2004
- 1 - 10Even Under Water, There is SpaceJan. 17, 2004
- 1 - 9Campanella's ForestJan. 10, 2004
- 1 - 8One Person's Dream, Everyone's DreamDec. 20, 2003
- 1 - 7Space School Entrance CeremonyDec. 13, 2003
- 1 - 6Test CompleteDec. 06, 2003
- 1 - 5My Mother's FaceNov. 29, 2003
- 1 - 4Memory of a Distant DayNov. 22, 2003
- 1 - 3One Step Toward the StarsNov. 15, 2003
- 1 - 2Asumi's DreamNov. 08, 2003
- 1 - 1Launching FireworksNov. 01, 2003
Twin Spica is a Japanese seinen manga series written and illustrated by Kou Yaginuma. The "realistic, slice-of-life science fiction series" tells the story of a group of Japanese high school students training to become astronauts in the early 21st century after the country's first human spaceflight launch ends in a disaster that causes many civilian casualties. It was serialized in the seinen manga magazine Comic Flapper from September 2001 to August 2009 and was later published in 16 tankōbon volumes by Media Factory from January 2002 to October 2009.