Magic and love

Roxanne is just like every other normal teenagers until something terrible happened to her aunt, the person she's living with. Her last words were to 'open her locket and say some strange words'
Then the next thing is that she appears in a very strange world.
Roxanne decided to keep a low key in the new world she was in until she slipped and fell into the arms of Kim taehyung, it seemed like fate until she just ran away.
Little did she know that she had someone watching like a predator would it prey, the dark man wanted to take her powers so that he could take over the strange world.
But how can a girl like rohanne hold such powers in her hand
What'll happen between Kim taehyung and Roxanne