SEVENTEEN BSS (BooSeokSoon) is the first official sub-unit of the boy group SEVENTEEN. BSS consists of DK (Lee Seokmin), Hoshi (Kwon Soonyoung), and Seungkwan (Boo Seungkwan). Their EP Second Wind was a smash hit, breaking first-week sales records for K-pop band sub-units by selling over 610,189 copies in its first week. BSS' achievements were further solidified when they clinched their first music show win with “Fighting” on MBC M's Show Champion in February 2023.
