When Himuro finds out that her junior in the Ikeda lab, Kosuke, has spent over 220 thousand yen on his beloved Aika and holds her every night when he goes to sleep, she is shaken by the realization that the only present she's ever given Yukimura is a notebook, and that she's never held him while she slept. She worries that she can't objectively call what she feels "love." As Yukimura and Himuro endlessly debate "love" using numbers, Kanade proposes that the two of them go on a date, but...
In order to visit every destination 
in the most efficient manner,
،من أجل زيارة كلّ منطقة بأفضل طريقة ممكنة
Um jeden Ort möglichst
effizient besuchen zu können,
Debemos construir la ruta óptima
para visitar cada destino
Debemos planificar la ruta óptima
para visitar cada destino
Il va falloir établir
la route optimale
Per visitare ogni meta
nel modo più efficiente possibile,
Para visitar todos os destino
de forma eficiente,
Чтобы посещение всех мест 
было эффективным,