‘A Yao's Exclusive Treasure Box’ #TheLongestPromiseBehindTheScenes# Shi Ying @X玖少年团肖战DAYTOY practiced using the jade umbrella to block the attacks of Zhu Yan @演员任敏, and even ad-libbed teasing Zhu Yan with the jade bone. The scene of the master and apprentice bickering by the lake is quite realistic, isn't it? #TheLongestPromise#