this is crazy good. and the dedication is unreal. yet here I am skipping on the lighting/shading elements on two page web-comics... tsk tsk.
Post Production Tip:
You probably left out on purpose cause this is a lot of work but...
In case you didn't know, in Clip Studio Paint, the
Auto Select tool + Area Scaling + Round option allows you to select the outline around text and other images. Select the content with borders in original manga image layer, then erase the your colored work in working layers.
Here's a screen cap for my settings:
View attachment 2420
It'll look something like this:
View attachment 2423
It'll turn out cleaner and faster if you select from the original image. Hope this helps.