The group is considered one of the most successful sub-units in K-pop, with their single "Fighting" garnering multiple nominations and awards for Song of the Year in 2023, and their debut single album Second Wind breaking the first-week sales record for an album released by a sub-unit.

[1] On February 2, 2018, DK, Hoshi, and Seungkwan performed an unreleased song, "Just Do It", at a Seventeen fan meeting as a special one-time skit.

[2] Following the performance, the fans' enthusiastic reaction prompted the formation of the trio as Seventeen's first official sub-unit, BSS.

[15][16] On March 10, 2024, BSS released the single "The Reasons of My Smiles" as part of the original soundtrack of the series Queen of Tears.

[21][22] On June 24, South Korean beer brand Cass, an official partner of the 2024 Paris Olympics, announced BSS as the models of their summer digital campaign "Cheers Sound".