This is Tori, a character who will be appearing in DES Comics [link]
. This is a drawing I actually hope to use in an upcoming comic, though it's incomplete for that.
That thing she's holding is a stick of drawing charcoal, and those marks on her are also charcoal (those things are messy to work with). She's in the middle of explaining something she's drawn in this image.
This character has existed for years in my sketchbooks and has been drawn in various styles with various haircuts; it will be nice to actually have her in comics.