Mangas : sci-fi
| Titre | Année | NbVol. | Moy |
|---|---|---|---|
| World Trigger | 2013 | 22+ | - |
| World's End Harem | 2016 | 4+ | - |
| X-Gene | 2002 | 3 | - |
| X-Men | 1998 | 12 | - |
| X-Point on the South Pacific | 1953 | 1 | - |
| XenoGlossia | 2010 | 2+ | - |
| XS | 2003 | 5 | - |
| Yakushiji Ryôko no Kaiki Jikenbo | 2004 | 11 | - |
| Yamato | 1975 | 7 | - |
| Yapou, Bétail Humain | 2003 | 9+ | - |
| Yasha (Yoshida Akimi) | 1996 | 12 | - |
| Yumihari | 2005 | 4 | 6 (1) |
| Yureka | 2000 | 41 | - |
| Z/X Code Reunion | 2018 | 1+ | - |
| Zanguard | 2011 | 1 | - |
| Zapt! | 2006 | 3 | - |
| Zeb-noid | 2004 | 1 | - |
| Zed | 1991 | 1 | - |
| Zelphy | 2012 | 5 | - |
| Zero / Six | 1998 | 5 | - |
| Zéro Man | 1959 | 1 | - |
| Zero One | 1998 | 3 | 8 (1) |
| Zero Taker | 2002 | 3 | - |
| Zingy | 1984 | 3 | - |
| Zipang | 2001 | 43 | 9 (1) |
| Zoids | 2002 | 2+ | - |
| Zombie Hunter | 1999 | 4 | - |
| Zuttosakinohanashi Mochizuki Minetaro Tanpenshu | 2001 | 1 | - |
| Zyword | 2000 | 1 | - |