FURVERT!

absurd_res anthro balls belly belly_expansion belly_inflation big_balls big_belly big_penis biped black_penis erection expansion genitals gradient_background hi_res huge_balls huge_penis humanoid_genitalia humanoid_penis hyena hyper hyper_balls hyper_genitalia hyper_penis inflation male mammal nx-42 overweight overweight_anthro overweight_male penis portal_(series)simple_background solo spotted_hyena standing text valve valve_corporation