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?
Perhaps thanks to having a brilliant father,
Vielleicht dank meines intelligenten Vaters
Tal vez gracias a mi papá,
Tal vez gracias a mi padre,
C’est sûrement ce père brillant
Non so se avessi preso da quel genio di mio padre,
Talvez graças a esse pai tão talentoso,
embora eu não estudasse tanto,
Не знаю, благодаря ли гению отца…