@Chiyo_X you said this like 7 months ago so you probs don't care anymore but no, the woman was saying to Jaehyuk to say hi to Mr. Seo's son, our mc, who just turned 7, meaning Jaehyuk would've been 15 at the time
Recs:
Spoiler!
Checkmate, Truth or Dare, Bloodbound, Lost in the Cloud, Your Wings and Mine, Black Mirror, MadK,
