One day, a gifted graduate student in Saitama University's science department, Himuro Ayame, confesses her feelings to Yukimura Shinya. However, as neither of them have any experience with romance, they are worried as to whether it truly is love or not. They decide to discover "the standard conditions of love" so that they can judge each other's feelings by them. Even as their underclassman in the lab, Kanade, throws up her hands in exasperation, Yukimura and Himuro attempt to quantitatively measure "thrilling palpitations of love" by taking their heart rates while performing actions such as "kabedon," "chin-lift," and "sleeve-roll," but...
But if that's the case, 
then you'll never reach a conclusion,
لكن إن كان ذلك هو السبب، فلن نصل 
إلى استنتاج على الإطلاق
Aber so kommt man doch
nie zu einem Ergebnis,
Así nunca llegarán a una conclusión
sin importar cuánto experimenten.
Así nunca llegaréis a una conclusión
sin importar cuánto experimentéis.
Mais avec ce raisonnement,
Ma, in questo caso, non arriverete mai a una conclusione,
Mas, se for assim, vocês nunca
chegarão a uma conclusão,
В таком случае вы никогда 
не узнаете наверняка,