バイバイ ハッピーデイズ！ (Bye Bye Happy Days!)
KARA
Songs
| Song | Plays | Release Date | Duration | |
|---|---|---|---|---|
| 01 | バイバイ ハッピーデイズ！ (Bye Bye Happy Days!) | 0 | March 27, 2013 | March 27, 2013 — |
| 02 | マイボーイ (My Boy) | 0 | March 27, 2013 | March 27, 2013 — |
| 03 | バイバイ ハッピーデイズ (Bye Bye Happy Days!) (Instrumental) | 0 | March 27, 2013 | March 27, 2013 — |
| 04 | マイボーイ (My Boy) (Instrumental) | 0 | March 27, 2013 | March 27, 2013 — |
| 05 | Beautiful Night | 0 | March 27, 2013 | March 27, 2013 — |
