I was soaping my body in the shower, getting ready for school, when I heard a faint tinkling sound. I peeked out from behind the curtain, and there sat my 260 pound step sister on the toilet relieving herself.
"Hey Bro. Sorry to intrude, but I couldn't hold it back any longer."
I then saw her strain, and heard a plop plop plop. My God, she was pooping right in front of me. For some strange reason, my heart began to beat a little faster, and my 7 inch cock began to get hard. I continued to stare as she bent forward to wipe her ass, then took another wad of toilet paper to wipe her hairy pussy.
She stood and tossed the paper in the toilet with her giant ass staring at me. It was the first time since she moved in with us five years ago that I had seen her nearly nude. She calmly pulled up her huge silk panties and turned to leave.
"Thanks Bro. Mom told me to tell you to hurry up because breakfast is almost ready."
I quickly washed off the lather and tried to get the vision of Carol, 18 year old step-sister out of my mind. I hurriedly dried and dressed and entered the kitchen. My step-mom and Carol had their backs to me, and both were dressed in panties and t-shirt, the nightwear which I had grown accustomed to seeing them wearing.
Diane, my Step-mom had an amazing big sexy body that rivaled Carol's at 5'4", and 280 pounds. I guess I inherited my Dad's love for big beautiful women, even though I was 5'8", and 145 pounds.
I couldn't take my eyes off their soft jiggling panty covered bottoms and was mesmerized by the cracks of their ass, transparent in the sheer satin material. Time was passing quickly, and I had to catch my bus, so I shoved the remaining eggs into my mouth, kissed them both on the cheek and headed out the door.
Carol and I were in the same class, being born only a month apart, but Diane was going to give her a ride to school on the way to work.
It was a long boring day and I stayed after, for Debating practice. When I got home, Carol was already there, and running in her panties and t-shirt on our treadmill. Every inch of her beautiful skin jiggled with each stride she took, and I couldn't take my eyes off the way her magnificent huge breasts jumped up and down under her shirt.
"What gives Sis?"
Between labored breaths, she said "I've been called Fatty and Lard Butt for the last time, and am going to lose weight if it kills me. I'm sick and tired of never having a date, and being the only virgin at school."
"Um, sorry Carol. You don't deserve that honor, because it is saved for me."
Carol turned off the treadmill and stepped down, looking totally surprised.
"You're kidding. I thought you and Susan had gone all the way before you broke up."
"Nah, 'fraid not. I put forth my best effort, but she always had an excuse, or just a flat out, No."
"That's tough Steve. Well I guess both of us should start a club called the Virtuous Virgins or something. I have a feeling that your time is coming before mine though."
"Why is that?"
"Who in their right mind would want to make love to a jiggling fat girl?"
I hesitated, then casually said, "Lots of guys like big women."