Chen: (dae, babe)
20 years old. When he returned to Korea at age 9, he moved with his cousin Suho. At 12, he started high school and saw Minseok in the hallways.
Roommate: Lay, they've known each other from class. They became friends and offered him a job at his cousin's cafe
Work: Manager in his cousin's cafe. Lay, luhan, Sehun and sometimes Suho work with him. Then Minseok starts working there.
He met Minseok in high school and reunited in college, when he begins to work in the cafe starts to send secret love letters waiting the perfect time for confession. He is jealous of kris

Minseok: (seokie, minnie)
22 years old. He had good grades in high school and moved to campus to escape his noisy and crazy family.
Roommate: He didn't shared room until the Chinese basketball player Kris gets a scholarship to Korea and moves with him. Minseok fell for him at first sight.
Work: He saw Kris entered to the new cafe on campus and follow him there. He met Luhan in the cafe and decided to ask for a job there because he liked the atmosphere and the coffee they sell -besides the regular presence of a certain basketball player-.
He has a secret admirer since high school. He feels jealous towards Lay because he dated Kris.