Rule 34 Dev - 2boys 2d civil_protection civil_protection_(half-life_series) combine combinefucker69 erect_penis erection gas_mask gay half-life half-life_(series) half-life_2 heart_symbol holding_legs_up imminent_sex lambda lambda_symbol leg_up male male/male male_only mask masked masked_male metrocop metropolice multiple_boys penis rebel rebel_(half-life_2) sitting_on_person welding_mask white_background yaoi|12680907728