Konoha returns to the year 2023, but finds that the Akiba that she knows and loves no longer exists. With a middle-aged Mamoru as her only ally, can Konoha figure out a way to un-change history?
That doesn't make sense if 
these are parallel worlds.
.هذا ليس منطقيًّا إن كانا عالمين متوازيين
Das ergibt aber keinen Sinn,
wenn es Parallelwelten gibt.
Si son paralelos, no tiene sentido.
Si son paralelos, no tiene sentido.
L’hypothèse du monde parallèle
ne tient pas la route.
Se fossero mondi paralleli non avrebbe senso.
Isso não faz sentido se este
é um mundo paralelo.
Это противоречит концепции 
параллельных миров.