beta
With a build as big as our seme, when muscles are at rest they just look like a bunch of fat. But they're not.
Besides Judo is a sport where mass moves mass. The heavier you are the better chances of winning.
(Look up judo Olympian Tatsuro Saito. Huge build but not fat)
Tdlr;
Being heavy (because muscle mass) ≠ fat
Skinny ≠ healthy