| 2 | 첫 이별 (Farewell My First)- assistant recording engineer:
- 이찬미
- recording engineer:
- 정기홍 , 적재 and 이주형
- editor:
- 이주형
- drums (drum set) and keyboard:
- 이주형
- guitar:
- 적재
- strings:
- ON THE STRING
- background vocals:
- 이리스
- vocals:
- ChaeYeon , DaHyun , JiWoo , Kaede and Nien
- conductor:
- 이나일 (strings)
- performer:
- Aria
- strings arranger:
- 이나일
- arranger and vocals arranger:
- 이주형
- phonographic copyright (℗) by:
- MODHAUS (in 2024)
- recorded at:
- MonoTree in Gangnam District, Seoul, South Korea and Seoul Studio in Seoul, South Korea
- mixed at and edited at:
- MonoTree in Gangnam District, Seoul, South Korea
- recording of:
- 첫 이별 (Farewell My First)
- lyricist:
- 이주형
- composer:
- IRIS (MonoTree) , 이주형 and Janet Suhh
| | 3:29 |