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 the field of statistics, if the 
probability of occurrence is below 5%,
،%في مجال الإحصاء، إن كانت احتماليّة الحدوث أقلّ من 5
Wenn innerhalb einer Statistik die
Wahrscheinlichkeit unter 5 % liegt,
En estadística,
una probabilidad menor al 5 %,
En estadística,
una probabilidad menor al 5 %,
En statistique,
une probabilité en dessous de 5 %
In statistica, se la probabilità di un evento è inferiore al 5%,
Em estatística, se a probabilidade de
ocorrência é menor do que 5%,
В статистике, если вероятность события 
менее 5%,