Artist : TWICE

Delivery Date: 2017.02.23~

- 1CD : 2 version (A/ B)

- Photobook (96p)

- Sticker

- Photocard : Random 1 out of 9

Lyrics Book (Two versions are same)

Knock knock goods (Two virsions are same)

01. Knock knock

02. 녹아요

03. TT

04. 1 of 10

05. Ponytail

06. Jelly jelly

07. Pit-a-pat

08. Next page

09. One in a Million

** CD Only

10. TT(Tak remix)

11. Ooh-Ahh하게(Inst.)

12. Cheer up(Inst.)

13. TT(Inst.).