The breeze blows! The fallen leaves are flying, "The beauty we once met is thought to be gone forever. That day, fate brought you to my world again, and the beauty of the past seems to still have red threads left! The smile under the woods, the tenderness in the sun! I will never forget your face again. At that moment, I already know that I love you!" The cute and cute boy "Ye Shi" who has been living an ordinary life unexpectedly started a story with the big sports boy "Dong Chuchen" just because of a simple look at each other in a new class. A refreshing song started to sing. But it was also a simple encounter that led them to discover a secret from the past. The road is still long and difficult... Face the new day with a smile! Ye Shi, let's go.