Brushes
Jeremy Fenske Brushpack - https://jeremyfenske.gumroad.com/l/QudbD (textures, flat colours)
Pen (ぺんペン) - https://assets.clip-studio.com/en-us/detail?id=1883664 (sketching, lining, rendering)
Artemus Pencil - https://assets.clip-studio.com/en-us/detail?id=1758182 (sketching, flat colours, rendering)
Artemus Chalk - https://assets.clip-studio.com/en-us/detail?id=2018139 (flat colours, rendering)
Salmon Brushes - https://assets.clip-studio.com/en-us/detail?id=1863327 (flat colours)
Square Texture Brush - https://assets.clip-studio.com/en-us/detail?id=1840330 (flat colours)
Grunge Dots - https://assets.clip-studio.com/en-us/detail?id=1777009 (texture)
Default CSP Gouache (flat colours, rendering)