Yukiko Iwai

- Chotto Honoki No Timing
- ○ (Circle) · 1987
- -3C(LP Version)
- Yuuyu Kousen + Single Collection · 2008
- -3℃ (Karaoke)
- Bokura No Karaoke - Onyanko, Otomejuku Hen · 2004
- 25 Cent No Mangetsu (Karaoke)
- Bokura No Karaoke - Onyanko, Otomejuku Hen · 2004
- Tenshi No Body Guard (Karaoke)
- Bokura No Karaoke - Onyanko, Otomejuku Hen · 2004
- Yuuyu no Shochu Omimai
- "Yuuyu" Damonne! · 2004
- Yuuyu Shikibu no Waka to Koujou
- "Yuuyu" Damonne! · 2004
- Yuuyu Ad Lib Song
- "Yuuyu" Damonne! · 2004
- Romantic Market
- "Yuuyu" Damonne! · 2004
- Royal Straight Crash
- "Yuuyu" Damonne! · 2004
- Yozora no Menu
- "Yuuyu" Damonne! · 2004
- Metropolis Honeymoon
- "Yuuyu" Damonne! · 2004
- Magnet Magic
- "Yuuyu" Damonne! · 2004