You want me to fall in love with you in a moment of looking back, but it takes me a lifetime to learn to forget. After Han Shu lost Han Yiyi, she always wondered how she could bear to abandon Han Shu who loved her so humbly. If God is destined to separate us, please let me forget everything and return to my indifferent self, so that I can survive. Han Yiyi, who has lost everything but what she wanted, I lost you, but have you forgotten that we promised never to leave? You are like a gap in my heart, with a dull pain, reminding me all the time that you and I have lost each other across the distance of time and space.