Crystal Kay – あなたのそばで / Anatano Sobade (당신의 곁에서) (메나도 페이셜사롱 CM 송)
Track 04 from Album "All Yours"
Release Date: 2007.06.20
Crystal Kay – Anytime
Track 03 from Album "All Yours"
Release Date: 2007.06.20
Crystal Kay – Dream World (Tully’s Barista’s Special TV – CM송)
Track 02 from Album "All Yours"
Release Date: 2007.06.20
Crystal Kay – こんなに近くで / Konnani Chikakude (이렇게 가까이에서) (애니메이션 ‘노다메칸타빌레’ ED 2007년)
Track 01 from Album "All Yours"
Release Date: 2007.06.20
Crystal Kay – Two As One (Crystal Kay X Chemistry)
Track 12 from Album "Call Me Miss..."
Release Date: 2006.02.22
Crystal Kay – 戀におちたら / Koini Ochitara (사랑에 빠지면) (후지TV ‘사랑에 빠지면’ 주제곡)
Track 03 from Album "Call Me Miss..."
Release Date: 2006.02.22
Crystal Kay – No More Blue Christmas’
Track 12 from Album "Natural (World Premiere Album)"
Release Date: 2003.12.17
Crystal Kay – Over The Rainbow
Track 09 from Album "Natural (World Premiere Album)"
Release Date: 2003.12.17
Crystal Kay – Time Of Love
Track 05 from Album "Spin The Music"
Release Date: 2010.12.08
Crystal Kay – Motherland (2003년 TV 제3기 ED)
Track 06 from Album "Fullmetal Alchemist The Best (강철의 연금술사 The Best)"
Release Date: 2012.07.12
Crystal Kay – こんなに近くで… / Konnani Chikakude… (이렇게 가까이에서…)
Track 22 from Album "No.1 J-Pop"
Release Date: 2012.10.19