Yuta Murakami

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.

Satoru, a wheelchair-bound elementary student, locks himself away from the outside world after his mother dies. His father designs a remote-controlled robot to go to school for him, allowing him to interact with people and do normal things.