abs absurd_res anal anal_penetration anthro anthro_penetrated anthrofied anus areola balls barazoku biceps big_butt bodily_fluids bubble_butt butt cum cum_in_ass cum_inside cum_on_anus cum_on_butt cum_on_penis duo erection fangs genital_fluids genitals godzilla godzilla_(series) grey_body grey_skin hand_on_butt hi_res human human_on_anthro human_penetrating human_penetrating_anthro humanoid_genitalia humanoid_penis interspecies kaiju larger_penetrated lying lytta_the_bug male male/male male_penetrated male_penetrating male_penetrating_male mammal manly monster muscular muscular_male nipples non-mammal_balls non-mammal_nipples nude on_back on_ground open_mouth pecs penetration penis presenting presenting_anus presenting_hindquarters raised_leg scalie sex sharp_teeth size_difference small_dom_big_sub smile solo_focus spread_legs spreading tan_body tan_skin teeth thick_thighs toho triceps vein veiny_penis wide_hips yellow_eyes