Just finished Yumeria.
Weirdly enough, I remembered a different ending:
Spoiler text - Highlight to read...
After Tomokazu would escape from/destroy the fake world, he would go back to the battle at the moment the arrow of destiny is shot, and use his power to alter the course of the arrow so it destroy the main Faydoom
Since that's not what happened, I guess myself landed in another destiny at some point (it's such a pain when it happen).