The rumor going around Sumaru City is that if you call your own cell phone number, you will speak to the Joker, who will assassinate the person of your choice... and rumors in Sumaru City have a funny way of coming true. On assignment with hip youth magazine Coolest, daring young reporter Maya Amano stumbles onto the Joker's trail at Seven Sisters High School. A convergence of fate brings Maya, her roommate, and a police detective together in pursuit of the maniacal assassin. Will they awaken...

The rumor going around Sumaru City is that if you call your own cell phone number, you will speak to the Joker, who will assassinate the person of your choice... and rumors in Sumaru City have a funny way of coming true. On assignment with hip youth magazine Coolest, daring young reporter Maya Amano stumbles onto the Joker's trail at Seven Sisters High School. A convergence of fate brings Maya, her roommate, and a police detective together in pursuit of the maniacal assassin. Will they awaken the power within before it's too late to stop the evil forces behind him?