Rule 34 Dev - 3d atomic_heart bara beefy brother brothers censored censored_penis gay genderswap_(ftm) groping_from_behind male_only male_robot manly muscular pec_grab pec_squeeze pecs pectoral_grab robot robot_humanoid rule_63 sex_slave submissive the_twins the_twins_(atomic_heart) yaoi zireael|8848201792