Fate gives Xie Yan one precious chance to start over, sending him back to the crossroads where he first met the woman he loves. This time, he vows to fill her life with sunshine. He approaches her carefully, staying by her side as a friend. He remembers everything she likes, sees through the weariness beneath her smile, and is always there whenever she needs him. Every little thing he does serves one simple, unwavering goal: to fill her years with nothing but warmth and sweetness. A story that began in summer: this time, he will write it until the end of time.