Azumi Sana was assigned to the First Investigation Headquarters. Her past history was not included in the database. This mysterious information reached Tsujimaru. However, it seemed that he knew her true identity. It was a memory from a distant time that transcends life and death, and clings to her soul like fate. When he thinks about it, he takes on an expression like a demon that seems far too cruel. Who on earth is this woman who has completely changed Tsujimaru's behavior...?