I didn't even have to think, I just put the mask on over my main one.The small nozzle fit in my mouth and I zipped the hood shut behind my head.I stro...ked the sides of my face, shivers danced through me, my vision was ever so slightly blurred by the plastic eye covers of the mask.I jumped as two knocks rang out on the wooden door of the cubicle.I reached forward and opened the cubicle door, on the other side was a man dressed similar to myself but minus the urinal mask.He was muscular and the. There was something chemical happening there, as our lips met and pressed against each other, but there was no passion or tingling, but there was something there in the background. Feel anything, mother asked us inquisitively, we both shook our heads to confirm that we both felt no response from kissing each other. Thats perfectly normal, she said, You are siblings and have grown up with each other, so you should be comfortable with each other. I had a smile on my face, until mother told me to. Once he was done, Mistress Kathy made me get on my back instead of on my knees like I had been for dad. She sat down on my mouth so that my nose was forced against her asshole. It didn't take her long before a heavy stream of strong piss started flooding my mouth. I thought I was doing really well until she let out a fart right when I was inhaling. It was all I could do to keep from spewing my mouthful of piss all over her but I knew there would be dire consequences if I did so fought back the. Knowing that my friend is not at home I still used to go and bang their door and enquire about my friend just to find out if she is single at home.After some days I’ve my own way of clues to find out when she is single at home and when can I approach her and talk to her. I have my own questions to start the conversation and keep it alive.Fast forward for a continuous planning of 9 months of hard work and patience I’m in a situation to touch her and make my first move when the time is apt. That.