The Your Forma—a “smart thread” installed directly into the brain that records all its user’s sensory perceptions and emotions. It’s Electronic Investigator Echika Hieda’s job to Dive into these recordings in search of clues to the world’s toughest and most serious crimes. Unfortunately for anyone who’s ever been paired with Echika, her data processing abilities are so off-the-charts that she usually puts her partners in the hospital in the process. Interpol’s solution: assigning an Amicus—a sentient android named Harold Lucraft—to be her new aide. With the exception of his cheekiness, Harold would be everything Echika wants in a partner—if only she didn’t hate all Amicus with a burning passion…