[15][16] In 2018, Somin was featured in a special version of Super Junior's "Lo Siento" with her fellow Kard member Jiwoo.

[17][18][19][20] She also collaborated with Pentagon's Hui in the song "Swim Good," and they performed together on Mnet's Breakers music show.

[21][22][23][24] In 2019, Somin starred along with CLC's Seungyeon, celebrity stylist Han Hye-yeon, and other models and social media influencers in the beauty-themed show Next Beauty Creator, which airs on cable channel OnStyle.

The seven cast members uploaded a new video every Tuesday to their YouTube channel, as they battled to earn the most views and subscribers and win the title "Next Beauty Creator."

The winner got the backing of the cable network for their work as a beauty influencer for the period of one year, including collaboration opportunities and media appearances.