A Normal Family? Chapter 1

It started off as a normal Saturday morning, I got up, had a wank and then got ready. But i noticed that the house was far too quiet. As i looked around i noticed that there was a faint squeaking upstairs, i went up there to investigate and found that the source of the noise was coming from my younger sisters room.

As i started walking towards the room i thought i heard her moaning, i was right. I peeked around the door to see what was wrong, what i saw i was not ready for. She was lay there, naked on the bed with 2 fingers buried in her pussy.

My sister is 15 and about 5’4 with reasonable sized tits, at least a D cup. I had never really thought of my innocent younger sister as the type of girl who masturbates when she has free time, obviously this came as a big shock to me when i turned around the door.

I continued to watch for a while knowing how wrong what i was doing was. As i watched i started to feel a slight bulge forming in my trousers. I couldnt resist watching her for a while longer until she came. She looked so small and delicate just lay on her bed amidst all the sheets.

I had never thought about my sister in this kind of way but when i saw her on her bed rubbing her tight, shaved little pussy i couldnt help but het my dick out and start masturbating to my horny little sister. Just as i started jacking off i accidently hit the door with my hand.
I froze.
She froze.

I quickly put my engorged cock back in my trousers and just as i had it back in she turned her head and tried to act casual, but with your naked sisyer lay on the bed with her fingers deep in her pussy its kind of hard…