This is a commission made by Aogami, you can find the original here: https://inkbunny.net/submissionview.php?id=843109

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Miles has a very special gift. Along with his transformation magic, he also has a curse- a curse that has manifested itself in his penis...
If his penis penetrates anyone, they will start to age backwards!
The effects of this curse will return to normal fairly quickly, as long as he doesn't ejaculate inside. When he does, their age will be locked from that moment and they will have to age normally from that point on...
If for some reason, they regress so far either before he pulls out or before he cums, they will regress back to their earliest state, from where there is no coming back... or is there?

Miley wants to feel the effects of his curse, she wants him to have sex with her so she can feel the effects of his curse on her own body. But what happens when she likes it too much? Would she want him to keep going? Keep regressing her further? Only one way to find out...