This was a pretty good MINI. However, I noticed that it has been difficult to find out more about the cast.
The male lead was pretty good. Nice looks, good non-verbal communication and handsome presence.
For anyone who has been wondering who he is, this is what I could find.

Male Actor: Liang Si-Wei – Chinese – Hong Kong
Active: 2018-2021
Drama:
Nuan Hun Qing Chong Qi 1 & 2– 2021 - Main Role: Shen Mu-Han
Amazing Museum – 2020 – Support Role
Heroines in the Desert – 2018 – Support Role: Li Shuai