Park Jiyeon are the most beautiful girl and Hyomin are the best student in their school.

They are bestfriend since kindergaten. Jiyeon always there when Hyomin needs her and also when jiyeon needs hyomin.

They make a promise when they are 12 years old.

Flashback

Hyomin: "Jiyeonahh, i just break up with my boyfriend,, Ottokae? What should i do? I cant live without him.."

Jiyeon: "Hyomin, i'm here for you.. You said, you cant live without him, then, how about me?"

"If you die, i will always alone.. We still young.."

Hyomin: "Arasso.. I'm still sad.. huhu..neomu appaa...  Jiyeona..Lets make a promise.. "

Jiyeon: "What? Tell me.."

Hyomin: "When we reach 18 years old, if both of us still cant find our true love, lets just love each other.. lets just live with only 2 of us."

Jiyeon: "What kind of promise is that?" She laugh.

Hyomin: "I'm not joking.. "

Jiyeon: "18 years old? We still too young..."

Hyomin: "Agree or not?"

Jiyeon: "Okay2.. We make a promise today. Lets talk about this when we 18 years old. Okay?"

​End of flashback

Now, both of them alreaady 16 years old. 2 Years more to break that promise. Until now, they still have no lover.

Hyomin: "Hey pretty girl, what do you want?"

Jiyeon: "Teach me this... i dont know how to do it.. "

Hyomin: "Yahh dont do aegyo.. I'm melting here"

Jiyeon