In order to better take care of her grandma, Lin Yin transferred to her hometown to attend high school, so she and her childhood sweetheart neighbor sister Chen Yuan began to become classmates. The boring high school campus life began to become more vivid. The exclusive memories between the two began to increase, and the relationship between the two also changed. Slowly changing from friendship to love...
Concept: First love is always like the mist in the morning, after which the sun shines brightly.