epona

These branching stories are going to have 3 very simple premises: 1) You exist in a world where your character AND ONLY your character gets to have sex with whatever group or groups of people you choose wherever and whenever he or she desires. 2) The circumstances under which he or she can have sex with that group can be specified generally or specifically. 3) The response of the people you have sex with and/or the general public can be chosen.

You can create your own branch of the story, just stick to the topic

A lucky protagonist discovers that they have the ability to claim ownership over anything or anyone by writing their name on it.

A lucky protagonist stumbles across a magic book that lets them rewrite the rules.