My stepsister and I m********* together. Started when I walked in on her while she was m*********** and watching p***. She was so embarassed and apologizing and I asked if it would make her feel better about it if I joined her. She looked at me stunned and since she did not say no I undressed and laid next to her on her bed and began to watch and stroke. She eventually resumed and watching me c** made her c**. I figured was a one off but hoped otherwise. Eventually one night she texted me from her room and asked if i was interested in another session. Of course I was. It quickly became an on demand ritual. But eventually she asked if we could do it watching each other as live 3d “p***” for each other and now we only occasionally use internet p*** we mostly just watch each other as we do it.