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?
Vitals look good, but 
brain waves a little weak.
Lebenszeichen normal,
aber Hirnwellen leicht niedrig.
Signos vitales estables.
Ondas cerebrales algo bajas.
Signos vitales estables.
Ondas cerebrales algo bajas.
Les signes vitaux sont normaux,
mais l’EEG est légèrement lent.
I segni vitali sono regolari,
 ma le onde cerebrali sono rallentate.
Os sinais vitais estão normais,
Показатели в норме,
только мозговая активность приглушена…