>>101451100Don't get me wrong, he probably IS fat, but Fil's at that delta of
>Small>Muscular (or at least relatively so)>LightThe average human skeleton weighs 15kg, and filian weighs about 45kg. 30kg left. Nervous system, brain, heart, various other organs, call that 5-8 kg. Probably still a certain percentage of body fat, hard to get rid of it all, especially with her diet. Add in some water weight, and the rest is muscle.
Estimating ~10-18 kg of muscle, honed over long time, of course she's able to do a kip up much easier at 45kg than an Anon twice her weight, I feel.