Kojiro
Discography
| Date | Catalog | Name | Roles |
| 2007-02-28 | HBD-8 | Diver City / Kazuhiro Watanabeダイヴァー・シティー / ワタナベカズヒロDiver City / Kazuhiro Watanabe |
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| 2007-12-31 | HBN-318 | Fate/Zero Original Image Soundtrack "RETURN TO ZEROFate/Zero Original Image Soundtrack "RETURN TO ZEROFate/Zero Original Image Soundtrack "RETURN TO ZERO |
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| 2008-01-25 | ZIZZC-0703 | Are you Alice? O.S.T - Rock a bye.Are you Alice? O.S.T - Rock a bye.Are you Alice? O.S.T - Rock a bye. |
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| 2009-09-09 | ZIZZC-0902 | Captain HOOK love's lock O.S.T.Captain HOOK love's lock O.S.T.Captain HOOK love's lock O.S.T. |
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