Lin Nian accompanied Zhen Siyuan through spring, summer, and autumn, but did not stay with him in the cold winter. He only left behind the dark blue pen and the farewell letter that she wrote for several days and thought she had written the best. Every misunderstanding that passes by is a regretful part of this period. Until the end, they could say hello calmly when they met again, perhaps the youthful heartbeat had already been let go.
Concept: The heartbeat of youth is also a regret