Tracklist | Album Cover Art | Teaser Images Tracklist (Click links for lyrics):

1. Like OOH-AHH -Japanese Ver.-
2. Cheer Up -Japanese Ver.-
3. TT -Japanese Ver.-
4. Knock Knock -Japanese Ver.-
5. Signal -Japanese Ver.-
6. OOH-AHH하게 (Like OOH-AHH)
7. CHEER UP
8. TT
9. Knock Knock
10. SIGNAL Cover Art: Standard EditionType AType B Teaser Images: GroupNayeonJeongyeonMomoSanaJihyoMinaDahyunChaeyoungTzuyu