Under the old locust tree of Yuying Middle School, Lin Wanxing and Lu Zhiye have been involved since childhood. She always likes to leave things behind, but he is always the one who silently cleans up the mess. He always keeps two pieces of stationery in his schoolbag, and a jar full of pink paper cranes in his drawer - each with his detailed thoughts about her written on them. The friendship between the "iron four corners" quietly deteriorated in her sophomore year of high school. Her confession under the cherry blossom tree was rejected by her because she was afraid of change. Silence and estrangement became the main theme before graduation. Five years later, Lin Wanxing, now a teacher, reunited with Lu Zhiye, who was about to get married, under an old locust tree. Only then did he realize that the paper crane he had not dared to take had already become the heaviest regret in his youth. The morning light in the fragrance of locust flowers, the accommodation under the warm lamp in the cafeteria, and the love that cannot be hidden in the drawer have all become old times that cannot be returned.
Purpose: To convey the value of "regret is also a part of youth" through the scene of reunion after many years and the final destination of the paper crane, so that those unfinished thoughts and missed people will eventually become precious memories worth looking back on in life.