During the first semester of her freshman year of high school, he followed her mother's friend Lei to visit her home. It was the New Year. She still remembers that her mother's friend forced him to call her "sister". His reluctant and awkward "sister" sounded particularly nice to her.
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Maybe at first she simply liked him for his looks, but she misunderstood this liking because she was still young, but then she gradually fell in love with him.
Concept: Youth persistently pursues the shining person