Obyčnyj fandom
"Tempus Rectum," Hermione stated, clearly annoyed. "Harry I already told you, I was in the library and I happened to be looking in a book about the mystery's of time travel and I found the Tempus Rectum spell. It can bring a person from the past into our present time and keep them here until we send them back with the counter spell." After mentioning the counter spell, Harry noticed a red tinge color his friends cheeks.

http://www.jewcy.com/daily_shvitz/the_best_of_harry_potter_fan_fiction
http://shagsthedustmop.technomystic.org/ShagsErotica/