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...
In that case, this brings 
us the closest, doesn't it?
في تلك الحالة، تعتبر هذه أقرب مسافة، صحيح؟
So sind wir uns am nächsten, oder?
En ese caso, esto nos acerca más, ¿no?
En ese caso, esto nos acerca más, ¿no?
On ne peut pas être
plus proches que ça.
In questo caso, facendo così 
siamo il più vicini possibile, no?
Nesse caso, isso nos deixa
mais próximos, certo?
Что ж, тогда так мы сблизимся 
максимально.