Rule 34 Dev - 2boys alien aur bat big_penis big_testicles claws cum_in_urethra fur hair hyper hyper_balls hyper_penis knot male male_only male_urethral_insertion mammal multiple_boys packmind penetration penis piercing sex shade_vasmir size_difference testicle_growth testicles text toe_claws urethral urethral_insertion urethral_penetration yaoi|1778434944