It's about the usual stories about teenagers.. One was suffering because she was dumped by her first boyfriend. The other was he left his first love just to cover his sickness. The other was contented to stay be his bestfriend's side even he's in pain seeing the girl he loves crying her heart out because of a stupid jerk.

Prologue

“Let’s break up”

“What?”

“Let’s break up. We’re done. I don’t love you anymore”

“B-Byunghun-ah”

“Don’t ever show yourself to me”

“Why are you doing this to me?”

Then there he was, turned around and left me alone. Without telling me an acceptable and valid reason.