Sowon mentioned in Idol Room ep. 34 that she is 172.8cm (5’8.3″) and her legs are 113cm (3’8″). She is said to have one of the longest pair of legs among female idols
Sowon is close to Twice‘ Nayeon and Pristin‘s Nayoung
According to KARD's J.Seph, Sowon is like his little sister.
Sowon was a trainee at DSP and she trained along KARD members.
Sowon visited North Korea when she was in the 5th grade.
She graduated from Hanlim Multi Art School.
Sowon appeared in Rainbow's music video for the songs "Tell Me Tell Me" and "To Me"