two 2 adorable boys in gym with weights naked
Prompt
two 2 adorable boys in gym with weights naked, focus on (size difference), (age difference), (height difference), huge versus tiny, big brother flexing arms showing (hyper hairy armpits:1.8), little brother entranced by hairiness, gym equipment, weights, sweaty, hairy legs, hairy butt ass, (hyper pubes:1.9), masculine, naval hair, thick long veiny uncut cock, large testicles hanging low, perfect anatomy, perfect penis, perfect cute young face, athletic, trim, lean muscles, very hairy for age, (hyper hairy), showoff