Jiwon is a intern from MNET University, The Lazy student. line of 7 or tres(3) is life for her grades. She's a prankster every teacher hates her, So to get rid of her for a 'moment' they gave her a 'not so easy' Project. She needs to apply as a new Barista of Fromis You Cafe to pass her College Class and to be able to graduate.

Jisun is the girl that every teacher, Girls and Boys wanted, Student at MNET University. She's always reciting, never been absent, always listening and hardworking she's, pretty, cute, kind,soft and all good Qualities a person have. A smart too. having a Grades of Uno(1) or line of 9 is a bonus. Shes a regular costumer of Fromis You Cafe.

Jiheon is from a poor family. From MNET UNIVERSITY too. At a very young age, She's already working as a Barista at Fromis You Cafe for a long time. A hard Working girl! she can do multi tasking, Studying at morning, Working at evening (well it depends). A honor Student, her grades is always line of nine or Uno(1). Well, she's a savage too.