[7][8] As a trainee, he participated in works of other Pledis artists, including featuring on Orange Caramel's debut album and appearing in NU'EST,[9] Hello Venus,[10] and After School[11] music videos.

In 2015, S.Coups debuted as a member and the leader of the South Korean boy group Seventeen with the extended play 17 Carat on 26 May.

[14] In 2019, it was announced that S.Coups would be taking a break due to symptoms of anxiety, missing parts of Seventeen's Ode to You World Tour.

[21][22] On 31 December, S.Coups released a digital song named "Me", written and produced by himself and regular Seventeen collaborator Bumzu.

[28] In July 2022, S.Coups was announced as Korean skincare brand Some By Mi's new global advertising model, starting in August of that year.

[36] S.Coups lives in Seoul, with his older brother and a Coton De Tulear named Goguma (Korean: 고구마; lit.

[37] On 1 March 2024, S.Coups was ruled exempt from mandatory military service in a recent physical examination due to a rupture of the anterior cruciate ligament in his left knee joint.