Calm yourself. You're among those in the same predicament.

Bluntly put, you've been captured from your own world and brought here, to Luceti, to be an experiment. The wings on your back and the sealing of your own power are the work of our capturers, the Malnosso. They are fairly ruthless scientists.

...A boy made a rather comprehensive list of what is going on here though I could do without his whimsical attitude. You may find it here.