‘A Yao's Exclusive Treasure Box’ #TheLongestPromiseBehindTheScenes# Shi Ying @X玖少年团肖战DAYTOY expresses genuine feelings for Zhu Yan @演员任敏 for the first time. The scene of 'practicing in advance' is super invested, and what else did A Yao hear? #ShiYingCallsZhuYanZhuZhu# #TheLongestPromise#