Rule 34 Dev - anal anal_sex anthro armpit_fetish armpit_hair armpit_lick armpit_play armpit_sniffing ass balls balls_outline bear belly big_belly big_dom_small_sub big_penis bodily_fluids body_hair claws clothed clothing dominant duo elbestia erection erection_under_clothing gay gay_sex genital_outline genitals hi_res holding_butt jockstrap licking male male/male male_penetrated male_penetrating male_penetrating_male mammal manly murid murine muscular muscular_male musk nipples penetration penis raised_tail rat rodent sex size_difference sniffing sweat tail tongue tongue_out unclothing underwear vein veiny_penis yaoi|10234129648