Previews of Na Hee-do and Baek Yi-jin’s story in hte final episode of “Twenty-five, Twenty-one”

tvN's Saturday drama "Twenty-five, Twenty-one" (scripted by Kwon Do-eun and directed by Jung Ji-hyun), which has only two episodes left, unveiled "Na Hee-do and Baek Yi-jin, Record of Youth" #3 which was as hot as midsummer days.
https://kbizoom.com/previews-of-na-hee-do-and-baek-yi-jins-story-in-hte-final-episode-of-twenty-five-twenty-one/