Mistress spoke next, "And what is the punishment?"
"Ten strokes with the paddle, Mistress," she answered.
"Bend over the desk," Mistress commanded.
Doing as told, she bent her nearly naked body over the desk, placing her hands by the rings as she had been trained to do. As Mistress secured her wrists to the rings with leather cuffs, she stared down over the edge of the desk at Master's lap, her mouth starting to water as she saw the bulge in his pants. Once she had secured her hands, Mistress removed the clips from her stockings, slid her panties over her tight ass, down her pale legs and off completely, before reattaching the clips to her stockings. Next Mistress took two pieces of silk rope and, spreading her legs wide, secured the sub's legs to the heavy wooden legs of the desk.
Now that the sub was firmly tied in place Mistress went to a cabinet and unlocked it revealing an assortment of implements, from which she carefully selected a medium weight paddle. She moved it through the air a few times, then, getting behind her sub, she raised it high, then paused for a few seconds to increase the anticipation, before bringing it down hard on her left ass cheek.
The helpless girl let out a gasp as she felt the paddle make contact with her ass, then said, "One, thank you Mistress." Another three came in quick succession, "Two, three, and four, thank you Mistress." Mistress landed the next six very quickly on alternate cheeks, receiving gasps from each blow, then, after the last one landed, "Five, six, seven, eight, nine, and ten, thank you Mistress."
Mistress moved closer, and rubbed their sub's red ass, then looked into the eyes of her husband and smiled. When he nodded at the cabinet her smile widened. As she stepped away from their sub Master stood up and said, "You took your punishment like a good girl: now you will be rewarded." He unhooked his belt, released the snap on his trousers, lowered the zipper, then dropped his trousers and pants freeing his half hard cock to the hungry gaze of his sub. She wanted desperately to just gobble his beautiful dick down her throat, but knew she had to wait until Master gave her permission. Stepping forward he brought the head to her mouth and said, "Here you go, enjoy." She wasted no time in sucking his cock down her throat, bringing him to full hardness in no time at all.
As their sub throated him, Master watched his wife as she stripped and looked over her selection of strap-ons, deciding which one to use. Once she was fully naked, she pondered for just a moment longer before grabbing a six-inch white one with a clit stimulator for the user, and some lube. Master had to smile at her choice, knowing it meant that she would be fucking their sub's tight ass. As his wife attached the phallus against her mound, with the little stimulating nub tight against her clit, their sub was sucking hard on just the head of his dick and flicking the slit with tip of her tongue.
The sub was enjoying herself sucking on Master's cock, doing everything she knew to bring him pleasure. She was quite unprepared when she felt cold liquid being applied to her ass, though she relaxed quickly when she felt Mistress's fingers rubbing it inside her hole. Mistress probed and stretched her hole out for a little bit, then lined up the strap-on and began pushing it in, slowly but steadily, until the whole thing was in her ass. Mistress held still for only a moment once fully in, before she started to pump in and out, increasing her speed until she was slamming deeply into her sub's tight ass.