what happened? (a black butler fan fiction)

when kitty and Lawliet are headed to an anime convention they end up in a car crash that should have taken their lives. Their bodies disappeared and re-appeared in a unknown forest, they soon discover that parts of their costumes have been merged to their body and they have turned into their characters.

how will they escape this mysterious world and if they find a way out will they want to leave or will they stay leaving their family's in despair.