Part of the (Unofficial) Introduction to Clip Studio Paint WebBook!
csp.love-ink-llc.com
Frequent question for new users. You don't know what happened, but now that tool/pen/brush is gone! What happened to it?
There are ways to Collapse tool boxes, hide them fully or even turn them off.
Details contained within this video as to how to get those tools back.
Check out my other video to get your workspace organized from the Default, and don't forget to Register your Workspace! So you can get it all fixed up with one (well, 3 menu choices) click!