I know redrawing colored doujin is hard, but let me introduce you to the Spot Healing Brush. It's really useful for when you try to redraw backgrounds that have gradients instead of haphazardly leaving out-of-tone blotches of either white or single colors. I can tell you're also massively stroking floating text in an attempt to hide the poor redrawing job (or just trying to hide uncleaned JP text).
You should try it. It's not perfect, but it'll make your life much easier.