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?
The paths they took were different, 
but they arrived in the same place...
Der Weg war zwar ein anderer,
aber man landet am gleichen Ort?
O caminho é diferente,
mas chegamos ao mesmo lugar.