Facing a sad love story that spans nearly six years, he is always struggling on the edge of reason. From young and ignorant to steady and mature, she never left him by his side. From the age of thirteen to eighteen, he fell in love with someone who was destined to be impossible. She took away the best time of his youth, mixed with joy and pain, as well as the torture of secret love and the pain of hard pursuit. Will that person appear again?