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Switching again, Sarah was at Julia's station and she stroked her cheek. "I hope you have to lick my genitals for six minutes, slave, she said." Chen also skipped Ron's station. Rob rolled and the slaves got rub genitals for four. "Almost as good," Sarah said. Julia proceeded to rub Sarah's cunt for four minutes and Sarah was panting before the time expired; her cunt flowered and wet. The three minutes expired and Rob rolled for the clients. Suck nipples for three. Sarah returned the favor for Julia and suckled her nipples for three minutes and Julia was just as hot and bothered as Sarah had been.
Everyone switched again. Sarah wasn't turning down Ron and took her place at his station and Jerry was at Julia's. Rob rolled the dice and the slaves got rub thighs for five. Julia lightly stroked Jerry's thighs from his knees to the juncture of his legs and back, the backs of her hands pushing against his sack each time she came up. His cock was twitching, but he never quite orgasmed before time expired. Rob rolled again and the clients all got nibble penis or vagina for six minutes. Mistress Dark asked Sarah if she wanted Ron to cum in her mouth. Sarah replied "why not?" He hadn't cum once all day and probably deserved the relief since he'd been hard since he got here.
"Ron," Mistress Dark said. "You can cum after three minutes. Scott, tell him when three minutes has passed."
I glanced at Regina to see how she was taking this information. She was paying attention now. This was her husband after all, the new slave. I started the timer and everyone started. A couple of the women slaves had almost immediate orgasms. Julia and Rose cumming almost from the moment Jerry and Marge started nibbling. I was watching my timer and when three minutes passed, I called it, watching what would happen to Ron. His cock started to spurt like a geyser had gone off. Sarah's mouth was overwhelmed with the volume. Swallow as she could, Sarah couldn't contain it all. Cum started dripping out of her mouth and around his cock. I swear at least a half cup of his sperm must have shot out of his shaft. Sarah's eyes showed her shock at the sheer magnitude of his release. He'd been saving it up for who knew how long. I swear his cock was still trying to spurt when I called time after another three minutes. Every one of the other slaves climaxed before six minutes was up, so the slaves all enjoyed themselves immensely. Julia and Rose both orgasmed a second time, having five minutes to work up to the second one.
One more switch and this group was done. Marge took over for Jerry at Julia's station. Where Julia had started with the husband, she'd be finishing with the wife. Poor Ron was skipped by Jerry, but he didn't seem to care. Some cum was still rolling down his shaft. I'd never seen anything like it. Sarah had to take a drink of beer before taking her place at Gwen's station to wash some of the cum down. When Rob rolled the dice, the slave had to lick lips for five minutes.
Marjorie asked, "When it says, 'lick lips', is it talking about these lips," and she pointed to her mouth, "or these lips?" pointing to her vagina.
"Yes," Mistress Dark said, "I'd like a ruling from the referee. What say you, Scott?"
"If you have both kinds of lips, I think it should be up to the client," I said.
"Yes!" Margorie said, doing an arm pump.
"No, fair," Chen said.
"If you want your other pair of lips licked," Sarah said, "you can always have gender reassignment surgery, but I doubt you want the other parts of being a woman; like the sex discrimination, the lack of pay equity, your treatment as a sex object, etc.; so quit whining."
Chen shut up and all three women clients had orgasms from having their other lips licked, Marjorie having her previous licking of my wife returned. The clients assignment was to kiss nipples for two. Julia was close to another orgasm when Marjorie finished.
It was time for another change in clients. Mary and Harold joined this time, starting at Ron and Gwen respectively. I was surprised to see my parents join as well, Mom starting at Reneé, and Dad with Lisa. Was this something they really wanted to do, or did they want to avoid appearing like party poopers. I'm sure Lisa was nervous as hell. She was a frequent visitor when my parents visited. They didn't remove their clothes though and I wondered how they'd handle that when the time came. I removed my clothes and started with Slut and Sherman started at Rose. He was still dressed. Regina joined in, starting with Julia. Her next one was Ron and I wondered what she'd do when it was time to switch. I handed the timer to Mistress Dark, knowing she'd be scrupulously impartial with it.
"This is no fair," Mary said. "His cock isn't hard anymore," pointing to Ron's limp noodle.
Mistress Dark said, "Slave, if you know what's good for you. You'll get another erection."
Damned if his cock didn't start growing and he had another erection within two minutes.
"You may not have another orgasm without permission from me," Mistress Dark said and Ron answered, "Yes, Mistress."
The rest of us kind of looked at one another. I think even Regina was starting to recognize the possible benefits of a well trained slave, possibly able to fuck for hours without cumming, then cum on command.
"Roll the dice, Rob," she said, and the slaves got their next assignment. Massage lips for three. Mary took advantage of the lower lips option, and she was highly aroused when Ron finished. Mom did not. Reneé massaged Mom's lips with her fingers, then kissing for a minute, massaging lips with lips. Slut chose to massage my lips with hers, so we kissed for three minutes. When Rob rolled the dice again, I got lick thighs for five. I licked Slut's thigh for five minutes and I could smell her arousal. I was sure if I touched her cunt, she'd be able to cum. She mewled when I got close, then moved away again. It wasn't following the rules to lick her cunt. She'd have to wait to cum. I saw both of my parents had licked the thighs of their slaves. Reneé's and Lisa's thighs glistened. So far, nothing completely off the charts had been required of them. I'd seen Regina licking between Julia's legs. So far, Regina had received the oral attentions of a woman, but never reciprocated. Apparently, she was willing to find out. She hadn't done it yet, but she'd been damn close.
We switched. I was at Rose, Sherman was with my wife, and Regina had moved down to Ron. She wasn't ignoring him, anyway. Mom was with Lisa and Dad was with Slut. The slaves got touch genitals for three minutes. I wondered what my parents would do now. While Rose touched my cock and balls, I looked around to see what else was happening. Slut reached through Dad's pants and stroked his cock, pulling it out when it got hard. Julia was doing the same with Sherman, but he didn't get hard, though he seemed to enjoy her touching him, moaning as she fondled his equipment. Lisa had her hand under Mom's dress and was rubbing back and forth. Mom looked happy with what was happening. Ron was massaging Regina's cunt with a finger inserted and she nearly climaxed before the timer went off. My cock was hard when Rose was done. She'd been well trained to pleasure anyone. When Rob rolled again, I got kiss nipples for six minutes. Rose's nipples weren't as sensitive as Julia's, but she was panting hard when I was done. Slut climaxed for my Father and Sherman made my wife cum too. Lisa didn't cum but she was squirming hard with Mom kissing her nipples. This had to be the craziest thing I'd ever done or witnessed.
This time, when we switched, I had my own slave. Sherman passed on Ron, Dad had Rose, and Mom had Slut. Lisa had Julia's dad, Harold, another frequent visitor to our house who Lisa knew well.
"Are you enjoying yourself, slave?" I asked.
"Yes, Master," she panted, still coming down off her orgasm with Sherman.
"I hope I get to lick your cunt for six minutes, slave."
"I hope I get to suck your cock for the same length of time, Master."
"I'll cum if you do."
"Your slave would welcome your seed, Master."
She would. She really would, no longer thrown off by the texture of my cum, she'd swallow every drop I gave her.