B Discover the groupBTOB1 member 0′ 8″1′ 4″2′ 0″2′ 7″3′ 3″3′ 11″4′ 7″5′ 3″5′ 11″ Changsub5′ 10″ Meet the groupBTOB membersTap a member to see their height profile. Changsub5′ 10″ 5′ 10″