Park Haneul has lived her life normally; always smiling, loving her family, annoying her best buddy, crushing on some cute famous dude, and having a secret admirer that hides his identity in a white scented paper , pinwheels, and the initials PJM.

An accident causing her eyesight loss took her smile away, but regain the colors of her life in her dark world through a new found friend named Jimin until she finally gained her vision back. But when she finally saw the identity of her friend, she was faced with a huge confussion.

"You light up my world, but in return I darken yours"