* Release Date: 08/31/2021
* Album type: BTOB 4U: OUTSIDE SPECIAL ALBUM
* Includes: CD + Booklet + Lyric Paper + Invitation Card + 1 Random Post Card out of 4 + 1 Random Photo Card out of 16 + 1 Random Film Photo Card out of 4
* Release Date: 08/31/2021
* Album type: BTOB 4U: OUTSIDE SPECIAL ALBUM
* Includes: CD + Booklet + Lyric Paper + Invitation Card + 1 Random Post Card out of 4 + 1 Random Photo Card out of 16 + 1 Random Film Photo Card out of 4