Sarah sighed while lying on Biffs' lap, she really didn't know what Biff could do that would make her feel any better, she sat there, looking at her paws over and over again. Still unable to do the simplest things like clenching a fist or looking at her nails, all that she saw were the paws that were now her hands that appeared to be better suited to a large animal like a German Sheppard or a wolf.
Biff gently extracted himself from Sarah, he'd dealt with he getting mopey before, usually it was because she felt unloved, in this case Biff really only knew of two ways to get her to feel better.
The first method was a makeover, but Biff didn't know anything about how to put makeup on a girl even after watching Sarah do it for so long, which left only one thing, and that didn't require him to wear pants.
Biff stood up, gently bending over to kiss the nape of Sarah's neck while she lay there, she seemed mildly unresponsive to his advanced, only barely acknowledging his touch so Biff stepped it up, he kept gently kissing his neck while reaching around Sarah, under her chest to give her breasts a squeeze. Gently grabbing her c cups, he squeezed both breasts at once while kissing her cheek, with a flick of his fingers; he tweaked her nipples into a state of arousal.
Sarah realized what Biff was doing, and the funny thing was, it was making her feel better, all she wanted was his touch on her body. For a moment she forgot that she was even a freak and stood up on all fours, turning around and planting a kiss on Biffs' lips, sticking her tongue as far down his throat as she could.
Biff realized that it was working, Sarah was starting to act a little bit more like herself, so he kept going, now she was standing up, he easily had access to her button up shirt. He slowly unbuttoned the shirt and extracted it from Sarah; she lifted leg at a time out of the sleeves, while keeping her mouth firmly attached to Biffs'.
Sarah smiled at Biff as they kissed and giggled a little, he had just unhooked her bra and was working it off her, Biff stood back up and Sarah went with him, she raised her front paws against his chest and propped herself up, almost to the same height as her original body was. Sarah kept pashing Biff on the face as he worked her pants and underpants off her, discarding them on the floor.
Both of them were getting excited now, Biff clearly had a boner tenting his pants for him and he needed to let his little guy free to do its business. Unlike most relationships, Biff had to undress himself during their lovemaking because Sarah couldn't do it for him, so while he dropped his pants, she kept sucking his face. Finally Biff worked his last leg free of his underpants and was standing there naked below the waist.
He could tell that Sarah was ready, she was dripping out of her tight little pussy and down her hairy legs, her hair now matted against her legs. Biff pushed her down onto her back, he reached for her face with his own and stuck his tongue down her throat, "exploring the deep" as much as he could, at the same time as his hands worked their magic on Sarah's breasts, touching them in a just the right way to make her as aroused as possible, finally he jammed forward with his penis and into her waiting snatch.
Sarah's mind exploded as Biff entered her, she had never had as tight a pussy as she did now, everything Biff did was forced and constricted, an amazing feeling as the amount of pressure required to make this happen was much, much more then she had ever experienced in her old body. She was floored by the amount of pleasure she was radiating back from Biff, her clitoris was throbbing in sequence with her heartbeat and she loved every second of it.
Biff continued to thrust in and out of Sarah, over and over again; she was lost in a sea of orgasmic energy as she was penetrated by Biff over and over in Jon's former pussy. She wondered if Jon ever felt this way when he had sex but that thought vanished in the sea like the rest of them, all that matter now to her was each thrust as it came and went.
Finally Biff exploded in Sarah's new cunt, Sarah felt the release of an orgasm and nearly passed out, all her doggie legs were sticking practically straight up in the air, if she could have bent them, she' be wrapped around Biff keeping him from ever pulling out of her. But as it was, she couldn't, and it didn't matter to her anyway. She loved it.
Biff pulled out of Sarah, leaving sperm and semen dripping all over her bed sheets. Unlike most girls Biff knew, Sarah was not a screamer, she was always quiet when she had sex, it was a gift he supposed, her folks could be in the next room separated by paper and the most they'd ever hear from Sarah was a soft moan. But he could tell when she was satisfied. He relaxed for a moment and lay down on the bed next to her, relishing in the orgasm himself, she was panting quietly her chest rising and falling rapidly with her breasts jiggling to every movement. Satisfied his work was done, Biff relaxed.
"Again", Sarah said suddenly, with her eyes closed.
Biff opened his eyes with a start, "Again?" he asked in shock, she'd never wanted seconds before after a good screw like that, normally she needed a break.
"AGAIN", Sarah said firmly, her eyes opened and locked at Biff, he was stunned, she'd never ever been like this before, and this was something new.
Biff stood up and got off the end of the bed, his little guy hadn't really had enough time to cool down and was half limp, but with a touch of effort and a very hot girl asking for sex again, he managed to rise to the occasion once more. But this time, Sarah stood up on her own bed, her moist pussy still dripping residue from the first time onto her sheets. Sarah turned around and presented her butt to Biff.
This was something new as well, Sarah never liked doggie-style, it always hurt her back to be standing on all fours for so long, What has gotten into her, he thought.
Biff wasn't going to pass up the opportunity anyway, so he approached Sarah, wrapping his arms around her body, he started tweaking her nipples, Sarah moaned at the feeling, he knew she was ready and that was another thing that was odd. She was ready so quickly too. Biff was strangely impressed; whatever Jon had done to her had really made her sex appetite go through the roof, and in a good way. He may have to thank him later when Biff sees him, not to mention find out exactly what happened.
Sarah presented her rear to Biff, one of the things that Biff always figured worked so well here was that Sarah was four legged, so she could stand on all fours like this and still easily be able to cope with a doggie-style position without getting tired, but she always claimed she did, until now. But Biff wasn't going to wait.
Biff entered Sarah from behind, sliding under her asshole and backwards into her tight pussy again.
This felt different to Sarah this time, the first lot was great and sex in her old body was just as good but this was staggeringly amazing for her. Mind blowing, as Biff pushed his penis into her pussy upside down, she felt a feeling she'd never had before, it was as if Biff had found her g-spot and was massaging it perfectly. Biff hadn't even reached climax yet and Sarah was already over the edge and enjoying a multiple orgasm, each time he thrusted it was a new wave of bliss for her.
After what seemed like hours, Biff finally blew his load, but amazingly enough it had only been about 10 or 15 minutes since he started on her again, she didn't feel tired, she felt great and had enjoy countless orgasmic surges during her sex. Sarah collapsed on her bed, exhausted and relieved at the same time, she was overwhelmed by the feelings that she had after that sex romp.
Then Sarah realized, she liked it, she really liked it. Something about Jon's body was giving her more impressive sex then she'd ever had. That little bastard had given her a great gift; scarily enough she was seriously considering ask him to let her keep it. That alone was proof enough that her sex was beyond a doubt the best she'd ever hoped to experience and was worth a trade-off to be a part dog freak!
Sarah lay there in bed, figuring out what to do, did she enjoy this day of fucking with Biff and the best sex of her life, only to lose it forever, or did she go to Jon now and ask for help.
