Maki Horikita

Since her father died, Mugiko lives with her older brother, Norio. Her mother Ayako left home when she was little and never come back. But one day, she suddenly appears. What will happen to this estranged family?

The timid, young Asuka is bullied by her classmates. When they embark on a class field trip to Korea, Asuka plans revenge by sending them a cursed phone message they can either pass on or die.