‘Ah Yao's Exclusive Treasure Box’ #TheLongestPromiseBehindTheScenes# In the drama, the heart-wrenching moments are intense, while off-screen Shi Ying @X玖少年团肖战DAYTOY and Zhu Yan @演员任敏 encourage each other. After watching such a torturous scene, we still need to relax a bit in the behind-the-scenes. #TheLongestPromise#