Rule 34 Dev - alien anal anal_sex autobot blue_eyes brother camera colored_cum combaticon cum cum_inside cybertronian decepticon double_penetration erection group group_sex humanoid living_machine machine male male_penetrating mamonna onslaught open_mouth penetration robot sex siblings sideswipe simple_background size_difference sunstreaker transformers twins unusual_cum yaoi yellow_eyes|2628540040