How do I improve
kozeki?
By drawing something other than featureless mannequins fighting.
Work on your wonky head size (also drawing skulls from imagination is a good exercise), study the skeleton for landmarks and fitting your shapes better, develop your figures with tone and anatomy.Pick your poison:https://online-courses.club/nma-art-dynamic-gesture-drawing-by-glenn-vilppu/https://archive.org/download/nma-figure-drawing-with-karl-gnasshttps://online-courses.club/visualarium-artistic-anatomy-with-rey-bustos/
Also check out hogarth just cuz it's aesthetic and dimensional as fuck. See if the constructions and how he uses tone and contour inspires you in your forms.