Tagged error for shading; it's a shame to ruin an image like this with such haphazard highlights and shadows. The girl is clearly being lit by multiple light sources, the book behind her right calf doesn't cast a shadow, and that rainbow shouldn't exist at all.

iridescent_slime said:

Tagged error for shading; it's a shame to ruin an image like this with such haphazard highlights and shadows. The girl is clearly being lit by multiple light sources, the book behind her right calf doesn't cast a shadow, and that rainbow shouldn't exist at all.

I'd give the rainbow as artistic licence but you're right about the book. To be fair, there's a ton of stuff going on in the picture so it's not the easiest shading job.