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?
Was it "Kazune 0" who accepted the ring?
Hat Kazune null meinen Ring
entgegengenommen?
¿La que aceptó el anillo
era la Kazune del cero?
¿La que aceptó el anillo
era la Kazune del cero?
Est-ce la Kazune du monde 0
qui a reçu la bague ?
Era stata la Kazune del mondo zero
 ad accettare il mio anello?
Quem aceitou o anel foi a Kazune "zero"?
«нулевой» ли Кадзунэ
я надел кольцо на палец?