'A Yao Wan Xiang' #TheLongestPromiseBehindTheScenes# The heart-wrenching rescue in the drama, outside the drama Master Shi Ying @X玖少年团肖战DAYTOY and apprentice Zhu Yan @演员任敏 together overcome numerous difficulties, just to present a beautiful kiss. #TheLongestPromiseUnderwaterKissBehindTheScenes# #TheLongestPromise#