‘A Yao Sends a Letter’ #TheLongestPromiseFullCastAnnouncement# #TheLongestPromiseAiringToday#
A lifetime entangled, destined by fate. Even with each having their own path, the original intention remains, together protecting Kong Sang.

Starring: Shi Ying @X玖少年团肖战DAYTOY, Zhu Yan @演员任敏
Special Appearance: Zhi Yuan @方逸伦Alen, Bai Xue Lu @-王楚然-
Starring: Qing Gang @王子奇是演员王子奇, Chong Ming @李明德, Shi Yu @叶盛佳Loi, Bai Xue Ying @卢昱晓_
Special Appearance: Da Si Ming @韩栋

@腾讯视频 Exclusive Streaming! #TheLongestPromise#