Rule 34 Dev - alien anal anal_sex autobot blue_eyes brother brothers camera colored_cum combaticon cum cum_inside cybertronian decepticon double_penetration erection group group_sex hug humanoid living_machine machine male male_penetrating mamonna onslaught open_mouth penetration robot sex siblings sideswipe simple_background size_difference smile smirk sunstreaker threesome transformers twins unusual_cum yaoi yellow_eyes|2628544488