- Kato Miliyah
- SAYONARA Baby (SAYONARAベイベー; Farewell, Baby)
- Shinchiro Murayama
- Other Information
- All Instruments, Programming: Shinchiro Murayama
- Recording, Mixing: Mitsuyasu Kaneko (at GIALLO PORTA)
There are three versions of "SAYONARA Baby" to be found in Kato Miliyah's discography. These are:
- SAYONARA Baby (Original)
- Found on the "SAYONARA Baby / Koishiteru" single as track #1, and on Ring as track #1.
- SAYONARA Baby (Instrumental)
- Found on the "SAYONARA Baby / Koishiteru" single as track #4. This is the standard version of the song without the vocals.
- SAYONARA Baby (Ring Tour 2009 Live)
- Found on Ring Tour 2009 as track #2.