>>5977342I think it's because his proportions are closer to 3D accurate proportions, and when you are used to stylized 2D proportions with a small torso(in both official and fanart, Ina's head is as wide as her torso, and that is not how it works if you are used to non-anime art), you can notice the difference
Personally, he made one of my favorite Ina images ever, and I draw like garbage, so I can't complain