@ S. Nazerine
Ah, many thanks. However, please do not hesitate to voice your opinion because having more comments on the subject opens up opportunity for better criticism. On that principle, I would like to make some comments on your work.
Firstly, you should think about the texture. I know it might sound unnecessary, but it certainly adds another dimension to any work, especially the monochrome ones. Personally, I think hatching for shading skin area is not that great. If you are working with traditional media, give thin layer with 4B pencil then rub the area with Q-tips. Then, use eraser to highlight some area. It takes long time to get it right, but is very satisfactory. Also, when you are hatching, start from light area to dark because hatching adds new shaded area constantly. If you are dead-set about that rough feel, give some consideration to HB or higher grade pencils, ball-point pens, or just use effect sets in Photoshop after scanning the work.
Secondly, give some touch-ups for neck-shoulder area and left wrist. Judging from the angle of her head, I am assuming you took 'slightly from bottom' view. That said, her neck should be shorter, and therefore shifting shoulder and torso upward. Also, the apex of her breast should be higher unless she has sagging racks. The wrist-to-hand for her left could use shaving off that thick outline and turn it more outward.
I think that is it for now, and keep those drawings coming!
