She Is Your Childhood Sweetheart, Then Who Am I?

"Future Notes" + "Time and Space Dislocation" + "Two-Way Secret Love" [At the age of twenty-eight, I completely broke up with Qingmei, who I had been in love with for ten years. She ran away in anger and disappeared without a trace] [At the age of thirty, she came back again and lost her memory. I took her home. She stayed for a month and disappeared. The note left behind said "She went to find Nuomi"] 17-year-old Chen Chuan looked at the contents of his notebook. Who wrote this prophecy about the future? Chen Chuan did have a childhood sweetheart, Jiang Yuxi. He had a crush on her for many years, but he never thought of confessing. The handwriting on it is exactly the same as his. At first, he thought someone was deliberately imitating his handwriting and playing a prank on him. Until he met a girl in white on his way home. She was soaked all over, couldn't speak, had no memory, but she looked exactly like Jiang Yuxi... He took her home. … "Chen Chuan, she is your childhood sweetheart, then who am I?" Jiang Yuxi didn't cry or break down. She just pointed at the girl who looked exactly like her in front of her in a trembling voice that was still suppressed. "Listen to me and explain to you." "She has replaced me, right?" "..."