Version A includes bonus DVD with three music videos, 32-page lyric booklet, a trading card randomly selected from 10 kinds, and an application card (valid only in Japan). 2021 Japanese release from the K-Pop girlgroup. Contains 10 songs including "Perfect World," "Fanfare," "Better," and "Kura Kura." Comes with a lyric booklet.

CD Tracks

01. Perfect World

02. BETTER

03. Goo at Love

04. Fanfare

05. Kura Kura

06. Four-leaf Clover

07. In the Summer

08. PIECE OF LOVE

09. Thank you, Family

10. PROMISE

DVD

01. Fanfare (Music Video)
02. Better (Music Video)
03. Better (Music Video Lip Sync Version)
04. Kura Kura (Music Video)
05. Kura Kura (Music Video Lip Sync Version)
06. Perfect World (Music Video Making of Movie)
07. Jacket Shooting Making Movie