While struggling to make friends after his parents’ divorce, Koyomi Takasaki meets Kazune Takigawa, but apparently, they already have. Kazune reveals that she’s from World Line 85, an alternate universe in which she and Koyomi are lovers. But in a reality where moving between dimensions is natural, could Koyomi be the one from another world?
There's no way we could 
make it so she's alive again?
Kann man ihn nicht mehr
ins Leben zurückbringen?
¿No podemos hacer que vuelva?
¿No podemos hacer que vuelva?
On ne pourra pas le ramener,
quoi qu’on fasse ?
E non si può riportare in vita in nessun modo?
Você não pode trazê-lo de volta?
А оживить её никак нельзя?