” She paused for a second, settling into her chair. “What I am doing is establishing exactly what happened.”My first instinct was to apologize, ...ut that would be the same as admitting I was wrong. I decided moving forward would be better. “Ask your next question,” I said with a hint of resignation.She pulled out the sheet of paper with my list of whereabouts. There were red scribbles in the margins. “My next question regards your whereabouts.” She glanced at the paper. “You went to a pool party. There was dry cum and some blood but not much. When she got out of the shower, Trish was there, brushing her teeth. She was wearing a black tank top and thong just like her own except a few sizes larger. She was also wearing an anal plug with a fox tail attached. The plug was something all her sisters wore. It was a sign that they had started to have their asses fucked by their father. “Hey Vicky, guess you got it pretty rough last night. I was wondering why dad didn’t come back to bed with. Wanting to feel his warm cum inside of me I reached my hand back, gently beginning to massage his balls as he pumped.“Fuck, yes, just like that,” he moaned in approval.“God yes,” he continued. “Just like that, you’re going to make me...”And with that I felt him drive deep inside of me, flexing his cock and holding it in.“CUM!” He shouted as the first wave of warmth flooded me.“Fuck, fuck, FUCK, YES!” I yelled out as the extra pressure from his cum force a powerful orgasm from myself as well.Cum. "Put them on," he said, "and tie them under your breasts, but loosely."They did so, and he followed them out into the hall. They attracted attention, but no more than what he'd seen before. The real change came when they went to their next classes. As he'd thought, the skirts rode up their legs, leaving their bare pussies visible to everyone. Their tits were falling out of their blouses, and he could see every boy following them as the girls got up to do things at the blackboard. And every boy.