Something happened. What happened?! A girl who wakes up on a train, forgot what kind of past she lived in. Where is she?! What world is she in?! This was not her. But it was her! But why...why can she not remember?! So, she just goes along with what this world is offering her and this journey. It seems a bit grimey than expected. And what? There's love?! Love in the name of romance! Just how much more does she need on her hands?! Woah! What is this story about...?