Its painfully obvious the dude is an unimportant ex-fling who didnt even get a name. jjs
It's painfully obvious from they way they are talking they have met each other before and we should know about it and who he was and oh look I reread and he was there right at the beginning which is what I was asking for
What's going on. Breached the contract ? Who's the married dude that talks to Yujin.