It’s really not. Sometimes it can appear to be a bit much at first glance. All it really is is 3 gradually heavier sets of 1-5 reps, then you have a few options for supplemental work - some lighter 5x5, or even lighter 5x10, etc. You’ll figure it out.
If you have “only slightly more than 11%” body fat, than I doubt your lower belly is so huge. So in that case, I’d say you’re wrong and you have a much higher body fat than you think.
Lift hard 3-4 times a week using any program (a few have been mentioned), do some conditioning if you can, and don’t eat total crap all of the time.
I just started this program and am loving it. Plus, I can already tell my conditioning will improve, so I assume I’ll lose some fat.