Rule 34 Dev - 1boy 1boy1girl 1girls ali_quantum armor armored_male combine combine_soldier dominant_male dubious_consent female gloved_hands gordon_freeman grabbing_from_behind half-life_2 hand_covering_mouth hand_on_another's_head hand_on_head male male/female male_penetrating prone_bone rule_63 sfm source_filmmaker tagme|12989426568