Claista Mirarie is a 21-year-old woman who has just enrolled at a prestigious art university in her city; she is the only daughter of a wealthy family living a simple life in a sparsely populated suburb. Claista is a idealistic and naïve young woman who loves writing poetry and reading novels and books; unbeknownst to her, her naivety in helping a severely injured man leaning against a wall in a deserted alleyway will make her lives constantly in danger.