set in an alternate universe where nakyung, chaeyoung, seoyeon, and jiheon meet each other during college and are the same age.

seoyeon is taking up music, nakyung is taking computer science, jiheon is taking chemical engineering, and chaeyoung is an english major.

saerom, gyuri, and jisun have already graduated. they also live together in the apartment across jiheon and nakyung's. saerom works as a dance choreographer, gyuri is in the army (composes songs and plays gigs with hayoung when not away), and jisun owns a well-known restaurant.

jiwon works as a barista at the local café hoping to earn enough money to go to uni and study music, and hayoung is a famous traveling musician that takes gigs anywhere in korea, though she always comes back to yangpyung where her friends are.