Final Fantasy XIII:Mysteries~

The whole world is saved even though Cocoon is frozen. Serah Farron was released from her fate being turned to crystal thanks to her sister Lightning and their friends. But then..Lightning disappears? Serah is the only one who remembers it and everyone else thinks she's lost it over grief of her older sister. Two years pass, and Serah broke off her engagement with Snow finding out he was into someone else. She decided to pick up a coffee shop job full time in New Bodhum. Serah still hurt over her sister being gone and losing Snow, she meets a man who knows where his sister is. She decides to go off with the man named Noel Kreiss to find her. They both disappear suddenly to a huge city called Luxerion. There's mystery and murder wreaking havoc in the city. Also mystery of her sister being there. Can Noel and Serah get through without getting killed, and solve the mystery where Lightning could be?