According to what I read on Twitter, the mini album consists of audio CD and 28 pages of photos. Yay, I need to order pre-order.
Here are the tracks in the album :
1. OUT THE CLUB (ft.Tae wan)
2. LET IT GO (ft.현아) [liezle : w/ 4minute's Hyun A]
3. RAINY HEART (부제: 비가 내리던 그 어느날) (ft.김규종) [liezle : rap by Kim Kyu Jong]
4. I’M BROKEN
5. LET IT GO (INSTRUMENT)
