From leader of Infinite to solo artist, Kim Sung Kyu is back with his new song. Chic rapper, Cheetah, is making her comeback with her unrivaled rap skills with her new track, "I'll Be There". These ladies seem to come right out of a fairy tale, WJSN returns with their confident confession. SF9 also return from their hiatus with a free-spirited song, "Mamma Mia". RAINZ also perform a special song just for their fans. Yang Yo Seop, iKON, NCT U, Gugudan, CLC, Weki Miki, and Target also perform this week. This week, we also say goodbye to VAV and The East Light. Stay tuned to see all these artists this week on Show! Music Core.