FURVERT!

anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro barazoku belly belly_expansion bodily_fluids canid canine canis chair_position cum cum_inflation cum_inflation_progression cum_inside expansion from_behind_position genital_fluids genitals gustlywolf heart_symbol hyper impregnation incrediblecrocodile inflation larger_anthro larger_male male male/male male_anthro male_impregnating_male male_impregnation male_penetrated male_penetrating male_penetrating_male mammal murid murine musclegut muscular nude_anthro nude_male ovum ovum_with_heart paws penetration penis rat rodent sex size_difference smaller_anthro smaller_male smaller_penetrated sperm_cell vein veiny_penis wolf