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.
He's someone we need to fight.
.إنّه شخص علينا قتاله
Er ist der Feind,
den wir bekämpfen müssen.
Es a quien debemos enfrentarnos.
Es a quien debemos enfrentarnos.
C’est l’ennemi qu’on doit vaincre !
È il nemico che dobbiamo affrontare.
É contra ele que precisamos lutar.
Противник, с которым 
мы должны сражаться!
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