Lin Yi came to a new city with her parents. Here she did not experience the simple nature unique to the small mountain city, but the indifference between people. In the school that should be full of laughter, it turned out to be the same. Lin Yi decided to change such a disharmonious atmosphere. Through the mouths of her new friends, she learned about a boy named Wang Shixu. He has a complicated background that always makes people wonder.
And it happened that this boy looked like a shadow deep in his memory... Lin Yi tried to get close to Wang Shixu with a desire to understand, but was rejected by him.
Just when Lin Yi was sad, another sunny boy, Chen Zhiyu, appeared. Chen Zhiyu always wants Lin Yi to remember him, but Lin Yi still can't remember... Chen Zhiyu... Who is he?
Soon Lin Yi found out the reason for Wang Shixu's indifference. Just when Lin Yi said "I will lend you my first love" to Wang Shixu, she suddenly... Remembered Chen Zhiyu... The boy who once said this to Lin Yi when he was very young...