Ohtsuka Akio
- Bye Bye Blue Water
- TYCY-10056 : Eternal Nadia Series Vocal Twinbest Disc 2 (Nadia)
- TYCY-5281 : The Complete Blue Water Disc 2 VOCAL-II (Nadia)
- TYCY-5289 : The Complete Blue Water Disc 10 Bye Bye Blue Water (Nadia)
- Bye Bye Blue Water expanded mix
- TYCY-5283 : The Complete Blue Water Disc 4 KARAOKE-II & Mixed up NADIA (Nadia)
- Nautilus no uta
- TYCY-10056 : Eternal Nadia Series Vocal Twinbest Disc 2 (Nadia)
- TYCY-5290 : The Complete Blue Water Disc 11 Good Luck NADIA (Nadia)
- ikitekure
- TYCY-10056 : Eternal Nadia Series Vocal Twinbest Disc 2 (Nadia)
- TYCY-5289 : The Complete Blue Water Disc 10 Bye Bye Blue Water (Nadia)
- kuru nara kite miro!
- POCX-1046 : Musical St. Tail Original Soundtrack (Saint Tail)
- tanoshii Bazaar
- POCX-1046 : Musical St. Tail Original Soundtrack (Saint Tail)
- warera no bannou senkan N-Nautilus-gou
- TYCY-10056 : Eternal Nadia Series Vocal Twinbest Disc 2 (Nadia)
- TYCY-5281 : The Complete Blue Water Disc 2 VOCAL-II (Nadia)
- TYCY-5289 : The Complete Blue Water Disc 10 Bye Bye Blue Water (Nadia)
- warera no bannou sensuikan Nautilus-gou
- TYCY-10056 : Eternal Nadia Series Vocal Twinbest Disc 2 (Nadia)
- TYCY-5281 : The Complete Blue Water Disc 2 VOCAL-II (Nadia)