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?
Regarding the newly established 
Shift Monitoring Office.
Ja, von der neuen
Sprungbeobachtungsabteilung.
Sí. En la nueva sala
de vigilancia de viajes…
Sí. En la nueva sala
de vigilancia de viajes…
Oui, concernant la nouvelle salle
de surveillance des transferts…
Sì.
Sim.
Да… и связано оно
с нашим новым пунктом контроля смещений.