Harry Potter/Severus Snape, Hermione Granger/Draco Malfoy, Harry Potter & Charlie Weasley, Neville Longbottom/Ginny Weasley, Hannah Abbott/Ron Weasley, Fred Weasley, Arthur Weasley, Molly Weasley, Luna Lovegood
A continuation of Delirium Snow falls over Grimmauld Place, and Harry tries to fill the quiet with laughter, food, and the living. Old friends arrive, the ghosts behave for a while. A celebration meant to keep the dark at bay.
This is part 2 but they can be read as standalone works.