Underage

When I was about 12-13 I used to play with a neighbour in my bedroom playing as though we were the doctor from Doctor Who. We would pretend there were various things wrong. One day I was playing and we ended up coming onto the way that there was a major plague and the only way to get rid of it was by licking each other... Well he insisted on dropping his trousers and having me lick his butt... Then he moved onto wanting me to lick his penis. Which I did. Little did I know what that would set in motion. I now would love to be tied up by a couple with her riding me until I impregnate her and me taking a guy down my throat and then him cumming on my face.
Now it's only this one fantasy that involves gay sex the rest are me being solely with a women and I have no interest in relationships with men. Just that one fantasy.