1996/05/15 Aitai kimi ga Inai (Avex Trax AVDD-20132)
01: Aitai kimi ga inai (Original Mix)
02: Aitai kimi ga inai (Extended Mix)
03: Aitai kimi ga inai (Original Karaoke)
- composed, arranged & produced by Cozy Kubo
- super advised by Tetsuyo Komuro
1996/05/15 Aitai kimi ga Inai (Avex Trax AVJT-2323 Promo only)
01: Aitai kimi ga inai (Original Mix)
02: Aitai kimi ga inai (Extended Mix)
03: Aitai kimi ga inai (Club Mix)
1996/08/21 Can't (Avex Trax AVDD-20142)
01: Can't (Original Mix)
02: Can't (Extended Mix)
03: Can't (Original Karaoke)
- composed, produced & arranged by Cozy Kubo
- super advised by Tetsuya Komuro
1996/08/21 Can't (Avex Trax AVJT-2341 Promo only)
01: Can't (Original Mix)
02: Can't (Extended Mix)
03: Can't (Soul Mix For 96)
1996/11/21 Step up (Avex Trax AVDD-20153)
01: Step Up (Original Mix)
02: Step Up (Extended Mix)
03: Step Up (Original Karaoke)
- composed, produced & arranged by Cozy Kubo
- super advised by Tetsuya Komuro
1996/11/21 Step up (Avex Trax AVJT-2350 Promo only)
01: Step Up (Original Mix)
02: Step Up (Extended Mix)
03: Step Up (Club Mix)
1996/12/25 Tears (Avex Trax AVDD-20166)
01: Tears (Original Mix)
02: Tears (Extended Mix)
03: Tears (Original Karaoke)
- composed, produced & arranged by Cozy Kubo
- super advised by Tetsuya Komuro
1997/01/22 Tears (Avex trax AVCD-11534)
Produced by Cozy Kubo
Executive Producer Tetsuya Komuro
01: #5397
02: Welcome... It's my Time, it's your Time
03: Tears
04: Step Up 1997
05: Get it, Baby
06: Koi ja ne
07: Glow
08: Aitai kimi ga inai
09: Can't
10: Moonlight to Daybreak
11: Over the Dream - She's so Far
12: Okki na shiawase
1998/06/24 With your Love (Avex Trax AVDD-20256)
01: With your Love (Straight Run)
02: With your Love (Beat Emulation Edit)
03: With your Love (Love so much Edit)
04: With your Love (Instrumental)
- composed & written by Tetsuya Komuro
- arranged by Cozy Kubo