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...
The important thing here is 
your heart rate. How was it?
الشيء المهمّ هنا هو معدّل نبضات قلبك. كيف كان؟
Entscheidend hier ist
dein Herzschlag. Wie hoch?
Lo importante es tu ritmo cardíaco, ¿no?
Lo importante es tu ritmo cardíaco, ¿no?
Dis-moi plutôt quel était ton pouls.
La cosa importante qui
è la tua frequenza cardiaca. Com'era?
O importante aqui é o
seu ritmo cardíaco, não é?
Нас интересует частота пульса. Сколько?