Familiar with Dragon's Crown? If you are then you already how the character designs don't exactly conform to normal human proportions. They're more or less pleasing in their 2-D environment given the overall art direction.
However, bring the proportions to a sculpture or 3-D figure and you can run into some pretty freaky results. Take the Amazon figure for example. It's not the weirdest thing we've seen out of Japan related to a video game. Then again, it's pretty close to the top. You can get your own figure starting in March 2016 for approximately $140.