just sharing :)
1. find a ref for background (i prefer a detailed and interesting bg to draw) XD
2. use your IMAGINATION to add something in the drawing , something like ... edit the ref (^ __ ^)
3. sketch time ! oh ! before that, i arrange the layers like this:
now , i make lazy sketches that is from my brain ^_^
4. ink it !
(i use pen ... smoothness 80% )