Hi! Sorry for taking almost a week to reply... ( ; ω ; ) Here are some that I frequently use for Clip Studio Paint, I switch between them for different purposes and modify if needed.

ULLE - https://assets.clip-studio.com/en-us/detail?id=1778200
Drew Kai [watercolor] - https://assets.clip-studio.com/en-us/detail?id=1895073
Intoxicate Pencil Set (よわ太鉛筆セット) - https://assets.clip-studio.com/en-us/detail?id=1740419
Mameo Pencil - https://assets.clip-studio.com/en-us/detail?id=1870475
Juju Line - https://assets.clip-studio.com/en-us/detail?id=2004742
Line Drawing Pen (線画用ペン) - https://assets.clip-studio.com/en-us/detail?id=1687935
Lazy Stipple Set - https://assets.clip-studio.com/en-us/detail?id=1898790