* Pre-order time: 4 PM, 11th December 2017 (Korea Standard Time Zone)
* This is the Plain Archive's The Missing Tracks Vol.2 only for UE9 event we participated. UE9 Edition is an abbreviation for 9th Unlimited Edition. It's the biggest independent book & goods market in South Korea.
- Release date: 18th December 2017
- Total running time: 120min
- A Side: IN THE EMPTY ROOM (by DJ Yes Yes) / B Side: 607080 (by Agent Oh)
- Digital download code is available so you can enjoy MP3 files
- This was made with the cooperation of Helicopter Records. (Booklet support only Korean)