BSS Members Profile and Facts: BSS (부석순), an acronym for ‘BooSeokSoon‘, is a 3-member South Korean sub-unit of SEVENTEEN under Pledis Entertainment. The group consists of DK, Hoshi, and Seungkwan. BSS debuted on March 21, 2018 with the single, ‘Just do it‘. Fandom Name: Carat Official Colors: Rose Quartz and Serenity Official Sites: Facebook: seventeennews Twitter: pledis_17 Instagram: saythename_17 … Continue reading BSS Members Profile