Album release date: 10/12/18
Album Details* different per version (Rew ver. / FF ver.):
- Cover* (200x200mm)
- Photobook 80pg*
- CD*
- Clear card 1p out of 5p
- Decoration sticker 1p
- Photocard 2p out of 40p
- Postcard 1p out of 5p
First-press only:
- Bromide 1p out of 7p
- Plastic writing pad 1p
Track List:
1. 아픈 길
2. 행복했던 날들이었다 (타이틀)
3. 두통
4. 121U
5. 완전 멋지잖아
6. 마라톤
7. Beautiful Feeling
8. 행복했던 날들이었다 (Inst.) (CD Only)