EXchange - Season 2 Episode 16 No Secrets
Overview: Uncomfortable relationship with X The fight between Nayeon and Hee-doo that is still repeated even in Jeju, bringing up the past 'When you see this, we really don't get along' It's sad to see X and other people friendly in front of you. We're not friends." There were only people who couldn't understand and a heart that wasn't understood.