Mom walks in

You too are in shock as mom walks in. "Get out of your sister this instant" I pull my dick out. "I'm so sorry Mom" we both say. I add "we were just curious." Mom leaves the room. "Get cleaned up and meet me in the living room!" She yells.

Sis showers and cleans her pussy. I get dressed and wait for her. When she's done we head to the living room. We sit next to each other and mom sits away from us. "So this is a problem. I seen what you two were doing and I understand it is natural. But well you can't do it." Sis grabs my hand. "No we love each other. You can't stop us." Mom knows she can't stop us. "That's what I thought you'd say. Well I also noticed you cummed in her. That is unexeptable. You could get her pregnat." Sis look amazed. "Wait that's how babies are made. No way! So I'm gonna have a baby!" She looked at me so happy. "No I slipped you a birth control for breakfast. But you two can't have babies now. You can't afford kids."

"How about I give you these condoms. Put this on your penis and then you can fuck her pussy all you want." She gives me the box. Mom gets up and walks away.

Later that day you are watching TV in the living room. When Mom walks over to you. "Hey son I have a question. Do you think I'm hot? Or just your sister?" She sits by me. "Uh IDK. I like you both." She licks her lips and ask "I'm much more experienced and better than her. Could you bang me instead?