He is a dull yet bright scholar who loves to record the things around him in his own writing.
She is a calm and cheerful killer who spends her life swimming towards her goals.
She works for the twenty-four bridges of the killer organization. She is a famous brothel prostitute to the outside world, and the sharpest blade to the organization internally.
That crisp voice haunted him, but he couldn't remember who she was.
More confusion about her gradually became clear through bit by bit exploration...
Concept: The tragic story of the scholar and the killer