Rule 34 Dev - 2boys alien anal anal_penetration anal_sex blush censored cum cum_inside cybertronian decepticon dialogue drooling duo erection happy heart humanoid japanese_text lifting machine male male_penetrating open_mouth penetration penis riding robot saliva sex simple_background soundwave starscream teeth text transformers tttttengo vaginal vaginal_penetration vaginal_sex yaoi|2624036440