If you want to know more about PremiumSans then just out the story I made. It's unfinished.
PremiumTale: https://www.wattpad.com/story/321819677-premiumtale
Video: https://www.youtube.com/watch?v=gBIqP-5ioM4
Nec But Animator: https://www.youtube.com/c/NecButAnimator