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.
Not even a single day. 
No matter who they are.
.ولا يومًا واحد. أيًّا كانوا
Niemand kann das.
Nicht mal einen einzigen Tag.
Ni un solo día. Seas quien seas.
Ni un solo día. Seas quien seas.
Ça vaut pour tout le monde
et en tout temps.
Nemmeno un solo giorno,
non importa chi siano.
Nem por um único dia,
não importa quem sejam.
Ни одного дня, кто бы что ни говорил.