Looks great, dont be so hard on yourself. Your 3d art is certainly not bad, you've got alot of potential.
You could make a follow up to the comic too, to show us what he actually did to her after.
Or you could make something else too, what about that horse model you used in your first pictures? You could do a similar story with it too.
There arent many things hotter than a woman begging to be impaled or fucked with something she cant handle. Whether shes happy to die or changes her mind when its too late.