A worried Harry follows a young girl and ends up in a world filled with Unicorns. What adventures will harry find there and how will his time in Luster affect his time in the Wizarding World? T for safety

First fanfic--What if Cara had a cousin? What if that cousin was a witch? Clary thought she was just an ordinary half-blood until she discovers her Muggle father was not quite as unmagical as he appeared.