Blue Letter

Artists

Album Info

Release Date: 2021-09-14

Labels: Highline Entertainment, Kakao Entertainment

CD housed at the back of a 96-page photobook, which is housed in a printed slipcover.

Contents:
- 1 photocard (random out of 6) (version-specific, 18 total)
- 1 accordion postcard (version-specific)
- 1 folded poster (version-specific)
- 1 bookmark (version-specific, pre-order bonus)
- 1 message card (random out of 3) (version-specific, 9 total, pre-order bonus)