Hey I like the drawing and colouring!There are a few things that I think could be improved.The first thing I noticed was that the shadow isn't really behaving like a shadow. The edges are too crisp, especially with the outline. Shadows tend to be fuzzier near the edges, and depending on the light source and object, can also vary in darkness.The shadow is too light which implies more diffuse lighting which would also make the shadow really fuzzy.Also, as tempting as it is to just copy the figure and use that for the shadow, you do need to tweak it more to behave like a shadow. I think if you removed the lines from the shadow and blurred the edges, it would help a bit, but it also needs to be a bit darker too.The details on the umbrella are lovely, but it is somewhat difficult to properly see the edge of the umbrella that goes through the middle part. That would be a good place to give a line to noticeably separate the edge and the inside of the umbrella, because the contrast isn't enough, and the umbrella sorta merges with itself and looks kinda weird. While that might not necessarily be realistic, sometimes it's better to emphasize certain parts so that the viewer can better understand the picture.As for the reception on reddit, I think it might have to do with the face. I feel the face is just a bit squished, so that she looks a bit like a dwarf. It might be due to the wide jawline which sort of gives her a wide round jaw look.What I might do is to reduce the level of curving on the jaw line, so that it's straighter as it goes to her ear. I would also shift the eyes up a bit so her face is a little more spread out vertically.Sorry if this all sounded really harsh or mean, but I wanted to give some pointers, since you asked for a critique. Overall I liked the piece! I'd love to be able to colour like you can!