Girls Planet 999 contestants will cover BTS, Blackpink, TWICE, Oh My Girl, EXO, IZ*ONE, and Seventeen songs in 'Connect Mission' on-stage performances.

Girls Planet 999 trainees were split into eleven groups which will battle between themselves. 

Group of trainees which decided to cover boy group songs will battle between themselves, and later winner of best performance will receive "triple vote boost".

BTS - Mic Drop vs. EXO - The Eve vs. Seventeen - Pretty U

Trainees who decided to cover girl group songs will also battle between themselves but they will only be able to win a "double vote boost". They will engage in direct competition with trainees which have chosen exact same song.

Blackpink - How You Like That: Team A vs. Team B
TWICE - Yes or Yes: Team A vs. Team B
Oh My Girl - The Fifth Season: Team A vs. Team B
IZ*ONE - Fiesta: Team A vs. Team B

Here you can watch a joint teaser of 'Connect Mision' which will be broadcasted next week.