Somi initially became known for being a contestant in the reality survival show SIXTEEN in May 2015, but was eliminated in Episode 11 and hence did not debut as a member of the future girl group TWICE.
Later in January 2016, she represented her company as a contestant in the reality survival show Produce 101, and finished the competition in first place, thus debuting as a member and the center of the group I.O.I.
Somi then went onto being cast in the reality-drama show, Idol Drama Operation Team in May 2017, as a representative of I.O.I. She played the role of high school student named Bo-ram, and then later became part of a special girl group named Girls Next Door formed by her fellow cast members in July, 2017.
Somi was born in Canada to a Dutch-Canadian father and a Korean mother. She has triple citizenship: South Korean, Dutch, and Canadian.
- "Flower, Wind and You" (with Heehyun (DIA), Yoojung, Chungha of I.O.I) (2016)
- "You, Who?" (with Eric Nam) (2017)
- "November to February (with Jun. K) (2017)
Music video appearances
- Somi, like her father, is a taekwondo black belt holder. She holds a third-degree black belt, but could not gain the fourth-degree black belt due to her being too young.
- Somi was bullied as a child for being of mixed descent
- She has trained for 1 year and 8 months, including SIXTEEN. If including Produce 101, then she has trained for exactly 2 years.
- During the production of Produce 101, Somi has received the nickname "Vitamin" due to her beagle like personality
- She has a younger sister named Evelyn.