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...
However, making a determination based on this 
evidence is no more than your personal opinion.
لكنّ تحديد فرضيّة بذلك بناءً على هذه الدلائل
 .لا يعتبر سوى وجهة نظرك الخاصة
Aber ein Schluss aufgrund dieser Basis
ist kaum mehr als eine persönliche Meinung.
Pero decidirlo en base a esto
solo es tu opinión personal.
Pero decidirlo en base a esto
solo es tu opinión personal.
Mais les conclusions que tu tires
ne reposent sur rien.
Tuttavia, stabilire qualcosa basandosi su queste prove
non è altro che la tua opinione personale.
Contudo, essa evidência é apenas
sua opinião pessoal.
Однако вывод, сделанный на основе 
этих данных — лишь твоё личное мнение.