| # | Title | Rating | Length |
|---|
| 1 | 하나부터 열까지 | | 3:36 |
| 2 | Good-bye Baby | | 3:45 |
| 3 | Help Me | | 3:17 |
| 4 | Break It | | 3:48 |
| 5 | Mr. Johnny | | 3:05 |
| 6 | 그 음악을 틀어줘요 DJ | | 3:15 |
| 7 | Step Up | | 2:48 |
| 8 | Breathe- assistant recording engineer:
- 노준수
- recording engineer:
- 신봉원
- programming and sound engineer:
- 홍지상
- mixer:
- Brian Stanley
- instruments:
- 홍지상, J.Y. Park "The Asiansoul" , 심은지 and 조종수 "FAME-J"
- background vocals:
- miss A
- vocals:
- 王霏霏 , 孟佳, 민 and Suzy
- performer:
- miss A
- arranger:
- 홍지상, J.Y. Park "The Asiansoul" , 조종수 and 심은지
- recorded at:
- JYPE Studios in Gangdong District, Seoul, South Korea
- mixed at:
- JYP Manhattan Studios in Manhattan, New York, New York, United States
- music videos:
- Breathe by miss A
- recording of:
- Breathe
- lyricist and composer:
- J.Y. Park "The Asiansoul"
| | 3:34 |
| 9 | 멍하니 | | 4:47 |
| 10 | 다시 사랑 | | 3:26 |
| 11 | Love Alone | | 3:31 |
| 12 | Bad Girl Good Girl- assistant recording engineer:
- 이재은
- recording engineer:
- 최자욱, 정의석 , 정호진, 김갑수 and 신봉원
- programming and sound engineer:
- 홍지상
- assistant mixer:
- Erik Madrid and Christian Plata
- mixer:
- Manny Marroquin
- instruments:
- 홍지상 and J.Y. Park "The Asiansoul"
- background vocals:
- J.Y. Park "The Asiansoul" and miss A
- vocals:
- 王霏霏 , 孟佳, 민 and Suzy
- performer:
- miss A
- arranger:
- 홍지상 and J.Y. Park "The Asiansoul"
- recorded at:
- JYPE Studios in Gangdong District, Seoul, South Korea
- mixed at:
- Larrabee Studios in North Hollywood, Los Angeles, California, United States
- music videos:
- Bad Girl Good Girl by miss A
- recording of:
- Bad Girl Good Girl
- lyricist and composer:
- J.Y. Park "The Asiansoul"
| 3.75 | 3:37 |
| 13 | Good-bye Baby (Silver mix) | | 3:53 |
