The heroine lives in a simple and happy family, with two friends, best friends and childhood sweethearts who have been together since childhood. She is an optimistic girl, upright and kind-hearted. In addition to her family, the most important thing in her heart are her two playmates since childhood. They went to and from school together, laughed and cried together, and even fought for each other. So they agreed to go to the same university for the college entrance examination that year and stay here, and no one was allowed to leave. The heroine feels happy every day, and she cares even more about her childhood sweetheart, because this boy always stays with him when he needs it most. As an ignorant girl in her teenage years, she was obsessed with love. The two of them agreed that the boy would be her boyfriend when they were admitted to college. So the college entrance examination was coming soon, and they sprinted hard. Everything was as beautiful as they expected, and the three of them were together again. But God is always so cruel. An accident turned everything into a tragedy. The heroine spent every day heartbroken and blamed herself so deeply that she even chose to commit suicide. When her family found out and rescued her in time, she became silent, became autistic, and refused to eat or drink. Perhaps it was the initial agreement that gave her the belief that she was still alive. She started to speak and seemed to be back to normal. Just like that, the annual school season has arrived. Hangzhou University is extremely lively today, with the arrival of another freshmen class. The heroine and the others have also entered the gate of this campus, bringing with them their agreement... What kind of life will they experience here, and what stories will there be? Let's look forward to it together!