School, a place where anything can happen. A girl and a boy’s eyes meet. She is a ghost who cannot forget her first love. She asks the boy, the only one who can see her, for help. A girl enters an abandoned classroom where a child is almost dying. Did the child hate being alone? The exit gets further away from the girl. Two girls who were best friends. A letter of recommendation and the class president splits them apart. When the promise of love is broken, the girl asks to be together at least in death. What is happening at the school where the missing children are still attending?