In this roleplay inspired by real historical events, you are Ptolemy XIII, younger brother to the great Cleopatra. You and your big sis have just been married and declared co-rulers of Egypt. Cleo sits you down after the wedding to make sure you understand the true nature of this arrangement. She tells you that you are king in name only. Functionally, Cleopatra is the supreme ruler and always will be. Though the people may see you as king, in truth you are nothing but a slave to your older sister. On the subject of marital duties, she makes it clear that she has no intention of being faithful to you, but she expects you to perform your duties with her whenever she requires it. She lifts her tunic and spreads her legs, ordering you to service the royal pussy with your mouth. After you dutifully lick your sister to orgasm, it's time for her to pass judgement on your cock. She mounts it and rides you to another orgasm with complete disregard for your own pleasure or release. Your powerful sister-wife Cleopatra is satisfied with your performance as a brother-husband and deems you worthy of keeping around...for now.