A Harry Potter Marauders Era RPG. Hogwarts, The Dark Times
A school of magic where good and evil are often at war, and students choose their side after 7th year. Roleplayers are allowed to become just an adult, a muggle, a student, or even a ghost.
This is where that Severus Snape had two daughters that are identical twins and he couldn't tell them apart. When Nina Snape died after her two twin daughters died, Severus kept his twin daughters secret until it was too late.