They were working on the deck around the pool, setting rebar and the bolts for the diving board. It was nearly ready for concrete, actually looked rea...y to me. I was hoping that within a few days the concrete would be done and they could be working on the tile.“Looks good,” Tanner said.He should think so, he designed it. We wandered around the yard, checking out the holes where the landscape contractor was going to build the waterfall and pond. It’s a different contractor from the pool people;. That day, as a 'treat', the sisters walked all the children to Freeman Park. It had all sorts of playground equipment, along with a huge field. That field was big enough to fly a kite. Some of the kids were doing just that, when it happened.I heard it, before I saw it. Recognizing what the sound was, I quit pushing the little girl on the swing, and ran as fast as I could. Denise was right on my heels, but I yelled for her to stay out of it. She didn't listen, but I didn't really expect her. ?Don?t spill a drop!? I commanded as I pulled hard on her nipples. She gagged, swallowed several times, then wiped her lips with her tongue. Then she thanked me sincerely for giving her the satisfaction of pleasuring me. What a slut! Then I made her beg me to fuck her in the ass.?Please Sir, please give it to me in the ass.??What did you say, slut???I?m so sorry, Sir. Please, please, please, fuck my ass hard. Stick your beautiful cock in me and drive it deep.?I untied her and made her bend over. I did the same with Candy and Valerie after class all next week. I was giving the paddle and my cock to two high school girls.What a three weeks!On Monday, the class emptied except for two girls, Candy and Valerie. Candy closed and locked the door as normal since her desk was closest to the door. As soon as that housekeeping issue was taken care of, the girls shed their clothes and I took mine off. I also took Valerie's paddle out of my desk drawer. I kept it now and used it on both girls.I.