This is honestly really good bait. You should be proud of yourself anon.
However she appears not to be fat at all, given that she has a great shaped ass it's highly likely that she's not even overweight. If she's 140lbs at 5'4.5", with a body fat of about 20-25% and she's got a decent muscle build up in the glutes, then she's actually peak female.

tl;dr she probably looks like pic rel