GOT7, MONSTA X, SEVENTEEN, And More To Attend 2018 MAMA. ... Previously, it was announced that BTS, TWICE, and IZ*ONE will be attending 2018 MAMA Fans' Choice in Japan, and BTS and Wanna One will be at 2018 MAMA in Hong Kong. Wanna One and various other rookie artists were announced to attend 2018 MAMA Premiere in Korea.