KBS Music Bank rehearsal was held at Yeouido KBS in Yeongdeungpo-gu, Seoul on the morning of the 26th.
The BOA is attending the rehearsal.
About BOA
Kwon Bo-ah, known professionally as BoA, is a South Korean singer, songwriter, dancer, record producer and actress. One of the most successful and influential Korean entertainers, she has been dubbed the "Queen of K-pop."
 Wikipedia