They are Bestfriend forever they have been bestfriend for 5 years.they live together.they do it all togther .when they were 5 they want to be a popular girl group and when they were 20 they went to an audition but only one people who is not accepted in audition only 4 people who is accepted.will the 4 girl debuting  to be a popular girl group or want to be a forever BestFriend?