"I want to be a magical girl!"

In the distant future, the only existing beings in the world are robots. They are the last remains of the human spirit. However, mankind is not dead. Technology exists. It is capable of transferring human emotions and memories to these robots. But with limited space, new memories will gradually overwrite the old. Transferring them into songs and storing them in a place called Cytus, the memories will last forever. The robots use these songs to experience human emotion and dream that souls exists in each of them. Description from Cytus Wiki - http://cytus.wikia.com/wiki/Cytus_Wiki

a girl who goes to live with her sister.

"You are mine," He murmured across my skin. He inhaled my scent deeply and kissed the mark he gave me. I shuddered as he lightly nipped it. "Danny, you are mine and only mine, you understand?" Daniella Saunders had a pretty rough life. After being heartbroken and betrayed by both her father and her boyfriend, Danny moves to a small town to find the comfort of her mother. Everything is not what it seems and soon, Danny finds herself in the middle of a world she didn't even knew existed outside of fiction novels and movies. Not only does the town seem bizarre, but her senses heighten, her temper is out of control, and her hunger amplify. Throw in an arrogant, selfish, sexy, possessive player who didn't even want her in the first place, her life just seamlessly attract madness. Especially with those creepy threats coming from a "Silver Bullet", she can't keep still.