Ten-year-old Harry Potter stumbles upon a special time turner and is sent back to 1938.
Harry's second son is off to Hogwarts. DH spoilers. Rated for later chapters.
A response to a Voldemort genderbend challenge. Assuming Hermione has been sent back to 1944 and became besotted with the Tom Riddle of that time, she dreams of him as a her.
It's Valentine's Day in 1945. Hermione has found herself enamored with a certain young Dark Lord. This is their holiday.