Who's that ? Sorry it's been a while
he's from “if you hate me so”
You're thinking of Minjae, Chowon is the ex husband who got with Hyesung's beta friend. Pretty face, awful personality
are they not the same person?
Nope, Minjae is very meek and has only been featured as a cameo with his partner at the fertility clinic back in season 1 of LIAI. Chowon is an original character to the story
the way i could immediately tell she was chowons daughter