Introduction: What if answering your phone could kill you? Red Raito, an 18 year old detective, one day answers a phone call and is transported into the body of a man he doesn鈥檛 know somewhere in Boston, US. While he is in the man's body, he is killed, and wakes up to find that the man he had been living in was real. As he answers more calls and is transported to more bodies, he launches an investigation to find the cause of the mysterious murders, and the evil madman behind them known as Smiley....