16 books in series
Twin Spica / ふたつのスピカ Japanese Numbering
Twin Spica / ふたつのスピカ Japanese Numbering is a 15-book series with 16 primary works first released in 2002 with contributions by Kou Yaginuma and 柳沼 行.
| #1 |  Twin spica
| 3.5 | 2 reads | ||
| #2 |  Twin Spica 02
| 4 | 1 read | ||
| #2 |  Twin Spica, Volume: 02
| 3 | 1 read | ||
| #3 |  Twin Spica, Vol. 3
| 4 | 1 read | ||
| #3 |  Twin Spica, Volume: 03
| 3 | 1 read | ||
| #4 |  Twin Spica, Volume: 04
| 3 | 1 read | ||
| #5 |  Twin Spica, Volume: 05
| 3 | 1 read | ||
| #6 |  Twin Spica, Volume: 06
| 3 | 1 read | ||
| #7 |  Twin Spica, Vol. 7
| 3 | 1 read | ||
| #8 |  ふたつのスピカ 8
| 3 | 1 read | ||
| #9 |  Twin Spica, Volume 9
| 3 | 1 read | ||
| #10 |  ふたつのスピカ 10
| 3 | 1 read | ||
| #11 |  ふたつのスピカ 11
| 3 | 1 read | ||
| #12 |  ふたつのスピカ 12
| 3 | 1 read | ||
| #13 |  ふたつのスピカ 13
| 3 | 1 read | ||
| #14 |  ふたつのスピカ 14
| 3 | 1 read | ||
| #15 |  ふたつのスピカ 15
| 3 | 1 read | ||
| #16 |  ふたつのスピカ 16
| 3 | 1 read |