In youth, we always like to hide people secretly in our hearts. People call them secret love. People with low self-esteem will repeatedly consider how to repay a little kindness from others. That rainy night, Chen Yinan handed the umbrella in his hand to Tian Yu who was hiding at the door of the library trying to wait for the rain to stop. Since then, the girl has hidden a secret for four years...
Concept: youth, secret love, growth