BBT is officially a 4 member group that debuted last year. Their debut MV and song Mr. Lee was released in November. They and another trainee (who maybe is a member also but they never announced if he was or not) were on Idol Producer. Wang Ziyi is originally from this group. Members: Sun Haoran/Oya - The leader of the group and one of the vocalists - Part of the 1994 line - He has an Instagram account @bbt_Oya - His Weibo account is: https://weibo.com/u/2870325572?refer_flag=1001030103_&is_hot=1 Li Zhijie/Jemmy - Eldest member and another vocalist - Part of the 1994 line - His Weibo account is: https://weibo.com/u/2503476185?refer_flag=1001030201_ Lin Haokai/K - The baby of the group and I think sub rapper? (he does have a couple rapping parts in some of the songs) - First minor to climb Mount Everest - His specialty is B-boxing and dancing - His Instagram is @Linhaokai9946 - His Weibo account: https://weibo.com/u/2731702163?refer_flag=1001030103_ Wang Ziyi/Boogie E - Main rapper of the group - Is a part of Nine Percent currently but is still a BBT member - His Specialty is B-boy dancing - His Instagram account is @Boogie1e - His Weibo account: https://weibo.com/u/2993307872?refer_flag=1001030201_ Songs: They formed a sub group recently called BBT-E formed with the remaining members except Ziyi.