Somi is a taekwondo third-degree black belt holder but could not gain the fourth-degree like her father due to her age.[6] In 2013, she appeared on the Children's Day Special of KBS2's Let's Go! Dream Team Season 2 as one of the representatives of Midong Elementary School's Taekwondo demonstration team, where she was paired with Park Joon-hyung.[7][8] In August 2014, she, her mother and her grandmother made a short appearance on the 187th episode of Hello Counselor. She also had a cameo role in the 2014 film Ode to My Father along with her father and sister.[9]