The black is starting.  The larger black area's I use a fine paint brush and paint, but for lines and finer area's I use something different.  I've tried different markers previously with varied results, but by using the rapidograph ink the results are excellent.  This doesn't run when clear coated unlike sharpies etc.  They also come with various tip thicknesses.

You need to use a ruler for straight lines and only do small area's at a time as the ink takes awhile to dry this avoids putting your hands back over wet ink and spreading it all over your hard work.

I normally let the ink dry 24hrs before clear coating.

Next update will be after clear coating.