Billlie
- article
The shocking truth about a rookie girl group: the total training time is more than… 30 years
One member is even one of the idols with the longest time as a trainee in Kpop with a shocking…
Read More » - article
Mystic’s rookie girl group Billlie lists the Rookie of the Year Award as their goal after debut
Billlie, the "Mystic’s No. 1 idol group," picked the Rookie of the Year Award as their goal.
Read More »
