I wanted to be in her and as she laid back, she opened to lube and after tossing it to the floor again, she reached back smearing some on her butthole...and immediately grabbing my cock. Pulling me toward her again, I quickly tried to push into her. Inching forward and pushing into her, Savannah pushed back letting my cock easily slip in. Reaching back, she pulled me closer as I started to slowly move my cock in and out of her and then Savannah started to move her ass back and forth tooIt felt. Gnarly pink and purple in the bright light. The afternoon sun had shifted, painting all the windows across the street orange and gold and smoggy tan and making every window a mirror. There could be hundreds of people watching my cock leak precum and would never see them. Unless they wanted me to.I looked quickly back at Cindee, but she was gone. I heard her in the kitchen, crashing dishes in the sink again. Then the sound of clinking glass. She opened the kitchen window, and shouted to me on. I was masturbating in my bathroom by watching porn in mobile but i dint lock the door as i was alone and was mesmerized in porn and was reaching my peak during that time my son returned from his football game which he regularly plays and he came into house with his spare key and he came to bathroom suddenly by opening the door and saw me naked masturbating and he felt embarrassed and shocked and i also felt the same with some guilt within me.Then i came out after without cumming and we dint. " What a considerate brother," she smiled, getting under the covers as I moved away. We shared out the pillows, and then there we sat, up in bed. We sat there for a couple minutes in utter silences. Finally my sister piped up, "So what do you think we should do?"I just sort of shrugged."I understand," she said, "if you want to disobey Mom. You can lead a horse to water, but you can't make him drink. She can force us into one room, but my bed is plenty big enough for us both to just sleep." She.