BLLK worked their way up the Japanese pop charts by being really talented in various ways. A significant factor in this is their incredible charisma. Their large number of members, i.e., eleven, creates much space for personality to shine. Nonetheless, that is not the sole reason BLLK has acquired global Superstardom. They are 12 members who each possess their own unique talents; they are Isagi, Rin, Bachira, Nagi, Reo, Yukimiya, Eita, Chigiri, Karasu, Hiori, Jin, and Niko.