The only place left unchecked was the gym. It was entirely my sister-in-lows idea. Anyway, it was rarely used. There was nothing inside except for few...equipment and mattresses. We never locked that room. Firstly, I thought of not checking it out. I was almost going away. Maybe I did not lock the door? Anyway, it was the last place to check out. So why left it unchecked? I thought. The entrance to the gym was from the balcony. I was cautious while checking the rest of the house. But I did. She moved to her clit and began softly pulling it as she pulled and lightly twisted her nipples in turn. Soon enough she was leaning against the wall of the shower as she shoved two fingers hard into her pussy. She loved nothing better then to masturbate. She had been doing it since she was 11 years old and tried to do it as often as she could. She did it in her house, in bathrooms at friends homes, Restrooms at concerts and movie Premiers… Anywhere she could get a few minutes to herself. She. "It's getting awfully hot out here," Jennifer said. She pulled away and sat up. When she pulled her sweat top over her head, she heard her son gasp. Under her top, she had the tiniest bathing suit top allowable by law. In fact, she probably would have been arrested on most beaches. It was no more than two triangle patches of material, covering her nipples. It had tiny straps around her back and across her shoulders, doing little to hold up her ample breasts. Both breasts hung out from all. She stood there in her lab coat, hair pulled back in a ponytail, and clipboard in hand checking off the preparations and equipment. The area was once a patch of forest with the pool nestled in the center, now all that remained was the earthen floor as all the trees had been uprooted for the construction of the facility. A dome ceiling secured the pool in it’s containment chamber, sliding steel doors at one end of the dome some 30 feet from the center were the only way in and out, while around.