Those drops are drawn very well. The only thing that makes me a but perplex is the shape of his eye, it looks like it has 5 sides. Your shadowing needs some work too, but in the end it's still a pretty awesome drawing. In the second drawing the only remark I have is that Yusei's fingers in his left hand are too long in proportion to the palm.

And itty bitty Piscu is simply adorable. :-P