Shibahara Chiyako
- Aria
- PCCG-00350 : Key the Metal Idol Vocal Data Disc I (Key the Metal Idol)
- Leave Me
- PCCG-00398 : Key the Metal Idol Radio Program #3 "akogare" (Key the Metal Idol)
- PCCG-00407 : Key the Metal Idol Vocal Data Disc II (Key the Metal Idol)
- Love Me
- PCCG-00398 : Key the Metal Idol Radio Program #3 "akogare" (Key the Metal Idol)
- PCCG-00407 : Key the Metal Idol Vocal Data Disc II (Key the Metal Idol)
- Lullaby
- PCCG-00350 : Key the Metal Idol Vocal Data Disc I (Key the Metal Idol)
- suna no kikoku
- PCCG-00350 : Key the Metal Idol Vocal Data Disc I (Key the Metal Idol)
- toubousha --Run Away--
- PCCG-00350 : Key the Metal Idol Vocal Data Disc I (Key the Metal Idol)
- yoru no hana
- PCCG-00350 : Key the Metal Idol Vocal Data Disc I (Key the Metal Idol)