Most people drift away from the person they had a crush on in their youth, but Lin An is different. There is an everlasting red line between her and the person she has a crush on.
An Lin has been looking for someone. She looked at many people but was not satisfied, until one day she saw Lin An, sweating profusely, squatting on the balcony where the air conditioner was installed to wash her clothes.
Purpose: To the youth we once had