I was going crazy, fucking her like this was building up my cum so fast. I grabbed onto her hair and pulled up hard, her head jerked back, her body came up off the floor, her face winced. I balanced us as this new position took away our stability, and I kept ramming into her from behind. With each thrust, I pulled her hair, combining pain and pleasure. It was too much for her. After 10 to 15 hard thrusts like this she began to shiver and convulse. I was close as well, and with a couple more pumps, I shot my load into her. My moans escaped me with each injection, which was accompanied by her whimpers after each pull of her hair. .....