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.
A slime girl in a slime girl tf (transformation) story is often a fictional character. She is typically made of slime or has slime - like properties. Usually, she can change her form or interact with the environment in unique ways due to her slime nature.
Once upon a time, there was a young girl named Lily. One day, she stumbled upon an ancient amulet in a hidden cave. As she held it, a strange magic started to transform her. Her skin turned scaly, her hands into claws, and soon she was no longer a girl but a magnificent dragon. At first, she was scared, but as she flapped her wings and soared into the sky, she felt a new sense of freedom and power.
A 'pov girl tf story' could refer to a transformation story told from a girl's point of view. It might involve a character transformation like a girl turning into a different form, perhaps a magical creature or having a personality shift. For example, in some fantasy stories, a girl might transform into a mermaid and the story is told from her perspective as she experiences the changes in her body and the new world she enters.