Hi lejika
you have talent on drawing, you can drew a picture by your imagine.try to make your hand move easily and a little quick when you drawing the hair, that practice makes you to draw tidly and enable to innovate design of the hair by your self try to use photoshop to edit and colour the picture you canmake diffrent shape of one picture
look at how to draw anime vedioes on youtube it's helpful,look to the drawers how to move their hands quikly,your drawing is wonderful I like it
all the best