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...
Wait, what about all that emotion 
and determination I had just now,
لحظة، ماذا عن كلّ تلك المشاعر وذلك الإصرار 
الذي شعرت به قبل قليل
Moment mal, wo geht nun
meine ganze Leidenschaft hin …
¡¿Qué pasó con toda
esa emoción y determinación?!
¿Qué ha pasado con toda
esa emoción y determinación?
Moi qui croyais
que tu me comprenais, Yukimura !
Un attimo, e tutti i sentimenti
e la determinazione che avevo un attimo fa,
Peraí, cadê a emoção e determinação
que eu senti há pouco?!
А как же мои чувства и 
обретённая уверенность,