rule 34 2020 anthro armband bodily fluids border bowser bracelet collar cum cum in mouth cum inside cum on face duo erection eyebrows facial hair fellatio genital fluids genitals hair hand on head hi res horn human human on anthro humanoid genitalia humanoid penis interspecies jewelry koopa luigi male malemale male only mammal mario series moustache muscular muscular anthro muscular male nintendo nipples nude open mouth oral penile penis purple background scalie sex shadowmatamori shell signature simple background size difference spiked armband spiked bracelet spiked collar spiked shell spikes spikes anatomy tongue tongue out video games white border yaoi 4340538