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?
Get this. Ryou won't tell me 
what place he's drawing.
Ryo will mir nicht sagen,
woher das Motiv für die Zeichnung ist.
Ryo no quiere decirme
qué sitio está dibujando.
Ryo no quiere decirme
qué sitio está dibujando.
Ryô ne veut pas me dire
ce qu’il a dessiné.
Ryo non vuole dirmi cos'è il suo disegno.
O Ryou não me conta de
onde é esse desenho...
Представь себе,
Рё не хочет говорить мне, что рисует!