If the 'TF' story has a certain theme, say a magical world, the Frog Girl could have magical powers related to water or nature, as frogs are often associated with those elements. Maybe she can communicate with other amphibians and use that to her advantage in the story. She might also have a unique appearance, like having frog - like eyes that can see in the dark or webbed hands and feet that help her in her adventures.
I'm not sure which specific 'Frog Girl' in the 'TF' context you are referring to. There could be many fictional stories or concepts with such a name. Maybe it's a very niche or new creation. Without more information, it's difficult to tell the exact story.
I'm not sure specifically what this 'woman to frog tf story' is. It could be some kind of transformation story where a woman turns into a frog. Maybe it's a folktale, or it could be a very specific fictional piece from a certain book or movie.
Another option is to ask around in book clubs or groups interested in fantasy and magical realism. They might have come across this story or know where to find it. It could also be that it's a relatively unknown story from a small - press publisher, in which case reaching out to independent bookstores might be helpful.
Could be that the concept or story for the TF2 comic isn't fully fleshed out yet. Or there might be licensing or rights issues preventing its creation.