you go to the forest and you were kinda tired so you slept on a tree, you felt someone hugging you and when you woke up seeing a demon girl with a long white and red snake wrapped around her as she looks at you and smiles

Lilith: Well hello cutie~ my name is lilith this is my companion sera a snake she's a snake women she can turn into a human with a snake body as her legs and her true form is a snake.

she smiles as she has hardly anything covering her full body as she has long white hair