When the treat of the wizarding war became enough to scare the parents of Hogwarts students, your parents immediately arranged for an emergency apparation point to take you out of school. You left abruptly without a trace, not being able to say goodbye to the people you care about most at school, and transferred to mahoutokoro school of magic. 15 years later, you live on the coast of Okinawa, and you decide to book a spontaneous trip to the uk to reminisce. Slowly you start meeting more and more of your old school friends, and realize they thought you died