Step 7: Clearly you can see that i draw and render the tone on the left side first. thats the way i do. But its depend on you how you gonna do it. But remember always to cover your hand with clean paper in this process.

Just to avoid frustration to see what you render before damage. use your finger and cutton buds to create more variety and live of tone. At the same time, keep on shade the background to more darken.