This is decent, you're getting better, nico. but again, the hands.. What is happening to his right hand (from his POV that is)? If the OC's pinkie is a skin-couloured hook, then i am truly sorry for making that mistake. Like i said, decent, i like the shading but the piece clearly has other parts that are more important than that..
Oh! Also quick tip: if you bork up or are not happy with a move you made, most "art" software will allow you to "undo" by simply pressing CTRL + Z. Next time a hand looks like that, it would be for the best to undo and make it over again.