This plain drawing has a story.
It was on a pair of computer science. Once, my friend said:
"Hey, you know how to paint? Here's a sketch for you and turn from this into a masterpiece." And did.
By the way, if you are interested then go there:https://www.deviantart.com/folalika/gallery/
And better here:https://vk.com/folalika
You can at least get acquainted with her work.