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?
And the chilled chocolate 
is a treat you get at 3 PM.
Die gekühlte Schokolade gibt’s um 3 Uhr.
Y los chocolates fríos
son para las tres.
Y los bombones fríos son para las tres.
Et pose ces chocolats,
je les garde pour le goûter.
E comunque il cioccolato in frigo
 ce lo mangeremo alle tre.
А холодный шоколад — десерт,
отложи его до трёх.