.... This night was no different.
Lisa sat on the couch and watched the screen as the girl got pounded by the guy behind her. She loved porn; it always turned her on. She had developed quite a bit. Her breasts were C cups and her legs were long. As the porn continued she decided to masturbate.
She slowly moved her hand to her breast and began rubbing it. She moaned in pleasure as her pussy began to moisten. Her hand moved down and she removed her thong and put it under the couch. She traced circles along her entrance and sighed at the good feeling. She was just about to put the first finger in when she heard someone.
“Hey, Lisa, you’re still up?”
In horror she changed the channel and sat up to look at Bart. He had a grin on his face and sat by her.
“Don’t worry, I won’t tell mom, we can watch it if you want.”
“Ok.” Said Lisa.
She flipped back to the porn and the two began watching it together. Bart still hadn’t noticed that Lisa’s panties were missing, but Lisa was noticing something about Bart. As they watched the film Bart’s cock grew hard. Lisa couldn’t take her eyes off of it. She felt her pussy getting wetter again, as she starred at her brother’s crotch.
“Bart…” she said.
He looked over at her and saw what she wanted in her eyes.
“It’s ok Lisa, do you want to see it?”
“Yes.” She said.
Bart lowered his pajama bottoms and Lisa gasped. It looked even bigger, 7...