収録内容

[Disc 1]

1. Why don’t you RELAX? / 9nine

2. JI･TA･BA･TA / 9nine

3. ﾁｬﾝｽ / 9nine

4. Why don’t you RELAX? (Instrumental)

5. JI･TA･BA･TA (Instrumental)

6. ﾁｬﾝｽ (Instrumental)

[Disc 2]

1. Why don’t you RELAX? (Music Video) / 9nine