What happens when naraku goes after the sinsar dubh, can Inuyasha and the gang team up with Mac barons and the rest. Will the get it in time and what is this demon prophecy.

It has been 7 years since Kagome had returned from the Feudal Era, 6 years since she had been reunited with her friends, and 3 years since the world had been overrun by these strange almost demon like creatures that call themselves the Fae. Kagome is called upon once again to save humanity this time it won't be from demons. The Fae are a fierce and deadly race...

When Hermione answered the summons from the Head of the Department of Mysteries, she never expected to be thrown deep into a world of ancient magic, resurrected dead people and time travel?