The promise of summer is the oath of year and summer.
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In her sophomore year of high school, Xia Yuan fell in love with a senior named Yu Nian. She always looked at him secretly and always created opportunities to pretend to meet him.
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Xia Yuan was very timid and did not confess her love until graduation was approaching and she saw the person she was longing for again at the class reunion.
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Yu Nian: Xia Yuan, do you know Dandelion's promise? I will come to you then.
He
Yu Nian×Xia Yuan
Intention: Positive and uplifting