Originally, Yi Die was supposed to have a perfect fourteenth birthday, but an unexpected thing happened a few days before her birthday that ruined her mood. She was already in a bad mood, but the birthday party made her even more heartbroken. Oh my gosh! Isn't this tragic enough? Of course it's not enough! The deception from her close friends and parents; loss of confidence and even the inability to think... She was about to emerge from her cocoon and become a butterfly when she was cowardly at first! But could it be that the only one who accompanies her and shares her victory is a rabbit doll? All dreams are broken, and the truth slowly reveals its charm to this girl...