Frenden is having a brush sale for Clip Studio- his giant brush collection for 35% off...
https://twitter.com/FRENDEN/status/1283520431119634433
Sale ends 7/20..!
I've been using his ink brushes for my comic since I started using Clip Studio:
Free access to future sets once you buy, too! I need to play around with more of these brushes, but I'm happy with the ones I've been using.