...pair of dark blue boxers, and two rods.
"Of course," the old man said, handing one rod to Ben and the other rod to Jake, "if you don't like the transformation, you can dismiss it. Perfectly fine womanliness, but a cock is fine too. These Rods of Seeking Reality allow you to unbind specific magical effects from yourself and others. You may also enact the appropriate resulting reality to fine tune surrounding changes from transformations, such as who recalls and in what ways the rest of reality adapts what was there before. Of course, on some level you will always be aware of changes even if suppressed. You can mystically call these rods to you for breaking free from constraining selves, even if you are inanimate or dead. Consider them courtesy gifts, in case you get caught up in other transformative effects and discarded. Even a potential customer of this sort of shop is useful, as it reveals certain talents. If you require a more customized destiny than you can come up with, come back to the shop and I will weave interesting times...I'm still a shady old man and I know it. The Master Wolf, the mages call me, hehe."
Ben pulled down the panties to reveal a pussy, but with a mere questioning of if the rod he was now holding worked, his massive male genitals popped back into existence in a blink. Sheepish at the display of power over him, Ben opted to take the panties off all the way.
"What do the boxers do?" Jake asked.
"Give you a very small and sensitive manhood." the Chinese man said. "Able to cum at the lightest of touches, and many times over, like a woman's endurance. Or a clitoris, but as an orgasm button. The fabric is also highly absorptive and self-cleaning to prevent any messes."
Jake decided to demonstrate, shucking his pants and old grey boxers to equip the new ones. Almost immediately, he started orgasming repeatedly, before pulling off the boxers and restoring his genitalia to normal size. "Wow, that's some strong stuff!" he said dumbly.
Both rednecks at full mast from the sheer variety of possibilities, the Master Wolf grinned. "Feel free to browse the rest of my wares," he said, "or have some fun with each other back here. While most of the front area is centered on women and curses, the back area is quite varied. Perhaps some toys meant for manliness, or cultivators' treasures? Nerdy kinks, mystical manuals? World-changing cheats? Perhaps even an engagement ring! The way I see it, you two are clearly poly-ready bisexuals with an interest in each other no matter the gender or sex. I'll leave you to it, see me at the counter should something come up. Or if you desire a third, heh."
Collecting the panties and blue boxers for a quality wash, the wolf-like old man excused himself with a cheery smile. Ben and Jake stared at each other realizing what they felt was in fact something like love.
"So, uh." Jake said, years of pretenses annihilated by the machinations of one shopkeeper's analysis (and a lot of metaphysically residual temporary post-nut clarity). "I think he's right. I could raw you right here and right now."
"Yep." Ben said simply, similarly raring to go now that all subtlety was shot and the shared affection was clear. "Should we? I mean...if we're gonna have a first time in a mall magic shop, we could go all out and find something cool since Wolf dude is being so nice with the recommendations."
"Said we could bang in here just fine, pretty much." Jake answered. "Gave me a whole bunch of orgasms already, for what it's worth."
The two men dispensed with the jokes and kissed each other passionately, rubbing their cocks together and thinking about what to do next while their pants were off and their arousal was on.