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?
Immediately after, she was calmer than I was,
Direkt nach dem Vorfall
war sie ruhiger als ich.
Tras el incidente
estaba más tranquila que yo,
Tras el incidente
estaba más tranquila que yo,
Elle a réagi de manière
beaucoup plus calme que moi.
Subito dopo il fatto, 
si è calmata molto prima di me.
Logo depois daquele incidente,
ela estava mais calma que eu.