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...
but since we're a male and female 
going out, just the two of us,
،لكن بما أنّنا فتاة وفتى نلتقي في الخارج نحن الاثنين فقط
Aber wir sind Mann und Frau,
die gemeinsam etwas unternehmen.
pero si un hombre y una mujer
salen solos, para mí es una cita.
pero si un hombre y una mujer
salen solos, para mí es una cita.
un garçon et une fille ensemble dehors,
c’est un rendez-vous !
ma siccome siamo un maschio e una femmina
che stanno uscendo insieme da soli,
mas como é um homem
e uma mulher saindo,
но раз парень и девушка гуляют вдвоём,