Rule 34 Dev - 2boys 5_fingers abs abstract_background ahe_gao alien alien_humanoid animal_genitalia asphyxiation black_eyes blue_markings bodily_fluids bondage bound chair chair_bondage collar cum drell duo erection fingers furniture garrus_vakarian gay genital_fluids genital_slit genitals gradient_background green_body humanoid imzero inside leg_spurs looking_pleasured machine male male_only markings mass_effect nude penis red_body restrained saliva salivation simple_background sitting slit strangling tapering_penis tattoo tears thane_krios torture torture_chamber turian unobtrusive_watermark video_games yaoi|4212699688