hello hello, here's some process info for this drawing!
brushes/tools used:
perfect pencil (sketch, lineart): https://assets.clip-studio.com/en-us/detail?id=1712564
3D hand model: https://assets.clip-studio.com/en-us/detail?id=1970713
oil brush (shading, highlights): https://assets.clip-studio.com/en-us/detail?id=1776520
screentone brushes (shading, I use the soft one): https://assets.clip-studio.com/en-us/detail?id=2010200
Cinema gradient (overlay at the end): https://assets.clip-studio.com/en-us/detail?id=1809413