Rule 34 Dev - 1boy 2012 accessory anal anal_sex anthro arm_hair ass bastianmage biceps body_hair bound butt_grab closed_eyes dildo dildo_in_ass dildo_insertion encasement felid goo_transformation gradient_background hairy_arms hand_on_butt headband human human_to_anthro kneeling konami lion lizardman_(artist) male male_only mammal metal_gear mid_transformation muscular muscular_male naked_snake object_in_ass open_mouth pantherine pawpads pecs penetration sex_toy sex_toy_in_ass sex_toy_insertion simple_background solo species_transformation struggling takeover transformation tugging|10246144808