The Unopened Letter

Lin Wei (the female protagonist) and Chen Yang (the male protagonist) are high school classmates. Both of them are introverted and sensitive in character. One is used to drawing his profile in the back row, and the other always secretly looks at her draft book when borrowing notes. They both have a hidden affection for each other but mistakenly believe that "the other person does not see themselves in the eyes", and they broke off contact after graduation. When they reunited many years later, Chen Yang was already engaged, but Lin Wei was diagnosed with advanced gastric cancer and eventually passed away with regret. Only when Chen Yang was sorting out her belongings did she discover the secret love diary she had hidden for ten years.