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?
If we say your original world is "0",
Wenn man eine bestimmte Welt
als null ansieht,
Considerando cero el mundo original,
Considerando cero el mundo original,
Vous l’avez rangée
dans le monde 0,
Se consideriamo il mondo di partenza come zero,
Significa que, se este mundo,
onde guardamos tem valor zero,
Допустим, ваш мир — «нулевой».