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?
we'd leave my dad, and I'd go with 
my mom back to her childhood home.
bin ich immer mit Mutter alleine
in ihr Geburtshaus zurückgekehrt.
me despedía de papá
me despedía de papá
on quittait mon père pour rentrer
chez mes grands-parents maternels.
ci separavamo da papà
мы прощались с отцом.