The Second World

K-pop girl group main rappers' vocal battle! Their first step as vocalists beyond rappers! Who will be the artist who will be recognized in "The Second World"?

Korean Title: 두 번째 세계
Also Known As: Du Beonjjae Segye

Cast:
Wonder Girls' Yubin
AOA's Jimin
MAMAMOO's Moonbyul
Oh My Girl!'s Mimi
WJSN's EXY
momoland's JooE
Billie's Moon Sua
Class:y's Seonyu