Shy returns to school only to find herself faced with Iko Koishikawa, a girl whose injuries she blames herself for. As if that wasn't stressful enough, a mysterious young boy sows discord and forces the girls to face the darkness in their hearts.
Iko...
...إيكو
Iko. Iko! Hier!
Iko. ¡Iko!
Iko. ¡Iko!
Iko…
Iko...
Iko...
Ико!