| Zero Singularity | 2017-06-13 | - |
| Zero no Hakoniwa | 2022-02-20 | - (1) |
| Zero no Mono | 2004-08-28 | - (2) |
| Zero no Mono 2 | 2004-12-25 | - (1) |
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| Zero no Tsukaima -Maigo no Period to Ikusen no Symphony- | 2008-11-06 | 7.60 (12) |
| Zero no Tsukaima -Muma ga Tsumugu Yokaze no Fantasy- | 2007-11-29 | 7.00 (8) |
| Zero*Tsukaima ~Sanbiki no Rinkan~ | 2008-08-16 | - (2) |
| Zero: The Lonely Man | - | - |
| ZeroB | - | - |
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| Zerotsuka.~Another Storys~ | 2008-08-07 | 5.30 (9) |
| Zerø - The 4th Unit Act.4 | 1989-12-20 | - |
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| Zeta Wolf Chronicles | - | - (2) |
| Zeta Wolf: First Bite | 2024-05-15 | - (2) |
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| Zetsubou Snow White | 2013-10-06 | - |
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| Zetsubou no Fuchi | 2008-05-29 | - |
| Zetsubou no Kotou | 2008-04-18 | - (3) |
| Zetsubou no Ori -Ryoshuu no Onna Kenshi- | 2020-07-22 | - |
| Zetsubou x Shoujo 1.0 | 2008-02-17 | - |
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| Zetsubou!! Netorare Sentai -Ore-tachi no Kizuna wa Nan Dattan Da- | 2015-07-29 | - (1) |
| Zetsuboushi | 2010-02-12 | 7.70 (25) |
| Zetsubousuru Hakugin Shoujo | 2016-08-14 | - |
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| Zettai Dorei Kanojo | 2005-10-01 | - |
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| Zettai Junshu ☆ Kyousei Kozukuri Kyokashou!! | 2010-05-28 | 7.00 (150) |
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