It's on YouTube but not subbedhttps://youtu.be/YaOzajE6yks
There is a second one, but it's paywalled at mangotv and you need to pay extra to get it.
According to the title, the second one is: 《夜色暗涌时番外》芳心暗许篇 which is about Fong Qing and Xuwei after marriage. Can't seem to find it uploaded anywhere else.
https://kisskh.at/698973-shao-nian-bai-ma-zui-chun-feng
Which is the prequel story that's filmed. Still waiting on news of when they're starting the sequel.
According to the title, the second one is: 《夜色暗涌时番外》芳心暗许篇 which is about Fong Qing and Xuwei after marriage. Can't seem to find it uploaded anywhere else.