Release date: February 21, 2017
Product details:Â CD + Booklet (96p) + Lyrics Book + Sticker + Photocard +Â Knock Knock Goods
Tracklist
- Knock Knock
- ë
šěě
- Â TT
- Â 1 to 10
- Â Ponytail
- Â Jelly Jelly
- Â Pit-a-Pat
- Â Next Page
- Â One in a MillionÂ
- Â TT(TAK Remix)
-  OOH-AHHíę˛(Inst.)
- Â CHEER UP(Inst.)
- Â TT(Inst.)
Â
â Made in Korea
â 100% Original Brand New Item
â Will be Count Towards Hanteo and Gaon Chart