HP Samo's prequel was specially written as a book and became an independent story.
The story of an emotionally locked-down professor and a fanatical genius student. (This book is BE, and the other is a parallel time and space version of HE for both of them)
That day she opened the door and stared at him, feeling extremely comfortable. As expected, as Dumbledore said, he had learned Occlumency extremely well, which made her, a natural Legilimency, extremely comfortable.
Because of Snape, she went to Hogwarts; because of Snape, she entered Slytherin; because of Snape, she was so fanatical that others didn't understand her, but she damn well discovered Snape's charm, which gave her a sense of superiority that everyone was drunk on but I was alone. No one was closer to Professor Snape than her.
But the crazy girl died because of Snape.
Concept: A prequel to HP Samo