As a little girl, she met him when she didn't understand anything, but left him when she first fell in love. He thought that she was just an accident in his life, a cute episode, but he didn't expect that it was his father's deep regret buried deep in his heart, and it was also a lifelong bond that he would never forget. And when she found the ray of sunshine in her heart and pursued it firmly, she ignored the always warm gaze behind her. Perhaps, they are young and have time to look at the really important things. Perhaps, it is precisely because they are young that they get lost in the beauty of love and waste so much beautiful time in circles. Fortunately, no one gave up. They told each other with laughter and tears that chasing is only a small part of life.