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?
I wholeheartedly planned to make friends.
Ich wollte von Herzen Freunde finden.
Pensé que al fin podría hacer amigos.
Pensé que por fin podría hacer amigos.
J’ai cru que je pouvais me faire
des amis facilement.
e avrei potuto farmi degli amici
 senza pormi problemi.
e poderia fazer amigos sem me preocupar.
Мне казалось,
что уж теперь-то я заведу кучу друзей!