"Perfect" I thought, as I saw her walking away yet again, her black hair swaying to the beat of her anger. 

"Perfect" he said to me, his face brighter than the sun. I had no idea why.

"Perfect" she responded, giving me a smile that she had never given me before.  

Perfect is their favorite word. But what really is perfect? Jaebum's definition of perfect changes when he meets Areum. Not only his definition of perfect, but also his whole life. He starts to do the things he said he hated the most. Why? Because he wanted to become her definition of perfect.