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...
At first glance, it may appear that 
this woman is in love. However...
من أوّل نظرة، يبدو أنّ هذه المرأة 
...واقعة في الحبّ لكن
Augenscheinlich befindet sich diese Frau
in einem Zustand der Liebe, aber …
on peut croire que cette fille
est tombée amoureuse.
Ad una prima occhiata, potrebbe sembrare
che questa donna sia innamorata, eppure...
À primeira vista, pode parecer
que ela está apaixonada, mas...
Сначала может показаться, 
что эта девушка влюблена...