This was heaven.Heaven was disturbed by the slightest of moves, an invitation, subtle. Cassie moved her hips ever-so-slightly, buttocks flexing, her p...ssy moving along my shaft just a bit. The pulse of pleasure that hit me was astounding. My cock swelled. She felt it, moving her hips ever-so-slightly in response. My cock flexed with pleasure. Motion had started.No words were spoken. Every minute or two Cassie moved her hips and my cock swelled in response. Time between the movements shortened,. Still though, fair enough."More than enough."... Anyway, here's the gist of things, folks:"If you're not familiar, Master PC is a reality-altering computer program that can, well, alter reality."It's mostly used for mind control and body modification purposes in other stories that use the concept, but anyone can use it how they see fit if one were to decide to write their own!"There are sliders for how big and shapely one would want an individual's breasts to be, ones that control someone's. It looked like he was going to be a happy and popular Chief.The trouble started over a trade gone bad between two brothers, Red Fox and Dark Sky. The two brothers had both traded the same bow to two separate hunters. Red Fox had taken in the bow as part of a trade for a pack of fur pelts that he had acquired, along with his brother, for work they had done helping another tribe to dam up a stream to divert the water to their village. Red Fox insisted that his brother had received his full. . .errrrrrr (insert screeching tire sound here), WTF just happened. Over the next few months, those thoughts started entering my mind throughout the day, except now it was an actual fantasy. I won't bore you with the "how did this happen, what am I going to do, am I gay, etc. - instead, I'll fast fwd to what happened.After a few weeks of renting gay porn, masturbating to it multiple times a day, and even purchasing a dildo to experiment with. . .I broke the news to Brian. While he was.