memory loss (on hold for a very long time while editing)

Pardon me this is my first story on wattpad here it goes
Elina is a shy girl of 14. She only has one friend and that is xak (pronounced zak). one day he disappears while elina is outside alone he tells her to wait for him and that he will come back for her.
2 years later

elina is 16 and she went outside to sleep and wait for xak it is the night that xak disappeared (she goes out annually to wait for him) she begins to lose hope in xak . but that night he comes back and with him comes a mysterious melody that puts her to sleep.
she then finds that she is in a strange place and cant remember a thing