Hyeso and Junhong are orphans for almost 6 years, Hyeso is 19 years old and Junhong is 16 years old. Their parents had died. They were abandoned alone, no related want to adopt them, so Hyeso took a decision to live by two of them, she stopped her school and worked for Junhong, and they live in a little apartment. But they were happy coz they have each other.

Haeri is a 21 years old ,designer, she always went abroad for having a runaway show. Sehun is Haeri's little brother, 18 years old, handsome boy, he is an ulzzang, well both of them are. Sehun really treasured Haeri a lot, and Haeri did too. even they were away, they never forget to contact each other.