Mari puts it in.

"I... I'm not sure how," Marigold says, looking up at Harry. He had put his camera down for a moment and moved his chair forward, only a foot or two away from Mari and giving him a better view of her acts of 'self-exploration.' Setting his camera down had also given him the opportunity to do some self-exploration of his own, and so the sex shop owner was seated and looking down at Marigold with his raging-hard red penis in his hand.

He smiled, as tender as ever, though he wasn't sure how much more of this slut's naiveté he could take. "I've got an idea," he said. "Why don't you move here in front of me and turn around for me?"

Mari glanced over at where he was sitting and took a seat there, resting her butt on the balls of her heels, her back facing away from Harry. "Like this?" she said looking over her shoulder, the very image of modesty. Harry made sure that he got a picture of her like that, and he was amazed that he could still see Mari's enormous globes from the back.

"Just like that," he said, lazily touching himself while fiddling with the camera. "Now. Why don't you rest your head on the floor, like you're lying down? But keep your... bum... high up in the air."

Once again, Marigold did as she was told. She turned her face off to the side, feeling the bristles of the carpet on her cheek, and rested her hands under her chest. This was the most exposed she had ever felt with Harry watching her, even more than when he had been taking pictures of her... well, taking pictures of her while she had her first orgasm. "Like this?" she said.

Like that was exactly what Harry had had in mind. It was the perfect photo: this gorgeous blonde woman on all fours, her ass up in the air, the biggest tits he had ever seen pressed against the floor. The way her ass was angled even gave him a good look at her asshole, gaping just slightly. Harry smiled. "That's just right," he said. "Now reach back and give me your hand."

Mari did as she was told. She couldn't see anything behind her, but soon enough she felt the plastic plug pressed into her hand.

"You know what to do," Harry said.

Shockingly, Marigold did know what to do. She could feel every inch of her body and understood how it felt to a greater extent than she ever had before. She knew how exposed her bum was, and how much easier it would be to... insert the plug when she was lying like this. In fact, she pushed her bottom up into the air a little more-- just for the better angle, of course.

With one hand, she guided the plug closer to her bum. Her other hand snaked down under her body, under her breasts and past her stomach until it was buried in her bush, slowly stroking her clitoris. Soon she was rubbing it furiously, her mouth hanging open and her eyes deliriously unfocused. Then came the moment of truth: she couldn't put off the plug any longer. She had braced its rounded tip against the opening of her asshole, but nerves kept her from pushing it all the way in.

"There you go," Harry said, jerking himself off hard now. He snapped another picture. "Just a little more."

The encouragement actually helped. With one, final push, Mari pushed the butt plug inside. The wide head of the plug was agonizing as it slooooowly pushed its way into her asshole, but somehow that agony was fun, too-- plus, more than a little naughty. She could almost imagine a little pop sound when the snowflake-adorned flared base nestled itself up against her butt cheeks, and Marigold found herself smiling. "Oooh," she cooed.

Her reaction was immediate. Her feet jerked into the air when it slid in, and she almost sat up from the combined pleasure and pain. Harry's camera was flashing up a storm, over and over again as Mari basked in the feeling of the enormous bulb inside her rear end and the light of the camera. She kept her fingers on the base of the plug, pushing it around in different directions inside her, and she found that that only drove her wilder.