Zhou Yang received an unknown gift on her 16th birthday. It wasn't until seven years later that she understood... It turns out that after turning the seventh page, we really have no youth anymore.
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Male protagonist's perspective:
Shen Zhuojing discovered a very interesting girl when he was in high school. She seemed to be particularly attracted to him. He subconsciously wanted to go to her every day, but in the eyes of his classmates, Shen Zhuojing was an aloof man, so he made up excuses every night and used that reason to go to the girl the next day.
Purpose: Have some fun