Sister, if you really want to learn this kind of painting, I suggest you go and see Miyazaki Hayao's pencil pastel. Spirited Away, My Neighbor Totoro and Valley of the Wind are all popular anime works, but these are the original paintings hand-painted by Miyazaki Hayao's own pencil pastel.

and other pastels will give you an address/micro-reading/dzh/213-4-22/content _ 8828882.html, and you can look at these original paintings.

also, you can go and see the contemporary artist's pencil pastel painting.