Asshole stretching exercises

"If you want to get the most out of today's session you could try some stretching exercise for the anus, it has been shown that it boosts the effectiveness of strength training"

"I didn't know that, how do these exercises work? I'm not experienced in the butt area"

"You just have to wear a dilator for around an hour a day, you can do other stuff in the meantime. Over time you can increase the size of the dilator"

"So I have to keep it in my ass, isn't it painful?"

"Not at all, I'm wearing one right now and I have no problem at all. Let me show you"

She puts one hand in her pants, effortlessly pulls out a medium size plug and hands it to you. Then she says

"If you want you can put it back into my ass, so you get a little confidence before starting to use yours"

"Ehmm, I don't know if this is appropriate" you say faking embarassment

"Don't worry, it's perfectly normal: most of the girls in this gym did it to learn the correct movement and also a good fraction of the mans. I'll keep it professional"

"Ok then I'll try"

She then looks in her bag to fetch a bottle of lube oil

"Before putting it it you have to lube the buttplug"

You follow her instructions and lube the plug, then she gets down on all fours

"Don't be shy, pull down my pants as much as you need"

You pull her yoga pants down just enough to reveal her asshole, doing this you realize that she isn't wearing any panties.

"Now you can slowly put it inside"

You rest the tip of the buttplug on her ass and push slightly, her asshole opens without hesitation. You move the buttplug in up to the largest part and then it slips you hand and goes fully inside with a pop.

"See? It's super easy"

"Can I try to pull it out?"

"Yes, yes, do a couple tests to get the feel for the movement"

Without hesitation you yank the buttplug out of her leaving her asshole slightly gaped; if she was surprised she didn't let you see it.