Osamu Hayakawa
Websites
- Personal Websites
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- Official Websites
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Discography
| Date | Catalog | Name | Roles |
| 1994-12-16 | MECP-20001 | KAZUMI / Kazumi EndoKAZUMI / 遠藤一美KAZUMI / Kazumi Endo |
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| 2002-03-29 | CHERRY-020336 | SKY SoundtrackSKY サウンドトラックSKY Soundtrack |
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| 2004 | N/A | rena & neko Ver.0.5 / Betty!rena & neko Ver.0.5 / Betty!rena & neko Ver.0.5 / Betty! |
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| 2005-04-16 | N/A | rena & neko Ver.1.0 / Betty!rena & neko Ver.1.0 / Betty!rena & neko Ver.1.0 / Betty! |
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| 2006-10-29 | N/A | Overture / Betty!Overture / Betty!MOE Tsukita~i☆LIVE" PRESENT CD |
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| 2008-08-15 | BT-0001 | Sunshine Place / Betty!Cherry Soft／Riddle soft／Art Game Vocal collection 「Sunshine Place」Sunshine Place / Betty! |
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