Choi Soo-bin (최수빈; born December 5, 2000), known mononymously as Soobin (수빈), is a South Korean singer, songwriter and MC under BigHit Music. He is the leader of the boy group TOMORROW X TOGETHER.
When Viola's football team is dissolved and she is not allowed to play on the boys' team either, she disguises herself as her twin brother and participates in the tournament.
