It depends on your own preferences!
Here we would like to recommend to you:
The most common Chinese regular script font in the media.
Although it is written in calligraphy, the hard-pen calligraphy is similar to it, only the thickness is different. The strength, stroke order, and frame structure are all the same.
You can just open the browser and search for it
华文行楷
There will be a lot of information for reference, or you can practice for a while by taking a few screenshots.