Check this out: Manga Brush Set. https://www.sketchbook.com/blog/?s=manga. Half Tone Brush Set. https://www.sketchbook.com/blog/?s=half+tone. You can go here: https://www.sketchbook.com/blog/ and search or go the the "Free Brushes" section. Hi! I create manga, though yet to try and enter the comics or manga industry :').

www.robertmarzullo.com - In this video I explain how to use Sketchbook Pro to create your comic book panels and also some of the things to keep in mind when ...

I am a brush set hoarder downloaded all their sets as they were releasing them back in the day. You can find the Manga set and all others from a previous post I made. https://www.reddit.com/r/SketchbookPro/comments/n95maj/sketchbook_pro_free_brushes_mega_set/

Preferences in Sketchbook Pro. On Mac, preferences can be accessed in Menu > Sketchbook Pro > Preferences. On Windows, it is located in Menu > Edit > Preferences. The Preference window includes 6 tabs that group similar settings: General; Brushes; Canvas; Hotkeys; Lagoon; Factory Defaults; General. Add Image: import into a new layer

There is a free set that he gave out. In the Mega Set, the file is named "KyleTW_SBP_Brushes_1215.skbrushes". I hope this is the one you're looking for. He also had a paid set, but it looks like it's not available on his Creative Market store any longer (https://creativemarket.com/kyletwebster).