Locked

A man with a master plan, and a girl who knows too much. So what do we do? Lock her in a mental asylum. Obviously.
Alouette has hardly any memories from before waking up in a padded room. She was told to be diagnosed with Schizophrenia, and her family abandoned her.
But when a boy shows up and claims she's the key in a master plan, they have to escape and stop the villain before people begin to die.
Oh hey, by the way, you're not mortal. SURPRISE!