Reworks.

Sometimes I like to go back and touch up an old piece of mine. This isn't really the same as a re draw to show off my improvement over the years, as the goal is to keep it subtle and maintain the sprit of the original art piece while taking the chance to fix up some small faults here and there!
Here's one for comparison.
Old:

New:

Key differences would be the couch making a bit more sense with this perspective, creating a nicer silhouette and making the expression a little more clear, but you can play spot the difference for the rest!