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...
Love prime (Kanade love, x) intersects 
Love prime (Kanade love, y)
عامل حبّ (حبّ كانادي، سين) يتقاطع
(مع عامل حبّ (حبّ كانادي، عين
Liebe Strich (Kanade liebt, x)
bildet Schnittmenge mit
Amor primo (Kanade amor, x)
∩ Amor primo (Kanade amor, y)
Amor primo (Kanade amor, x)
∩ Amor primo (Kanade amor, y)
Amour ’ (Kanade love, X)
Amour ’ (Kanade love, Y)
Amore primo (Kanade love, x) intersezione
Amore primo (Kanade love, y)
cruzado com Amor plica (amor de Kanade, x),
cruzado com Amor plica (amor de Kanade, y)...
любовь-штрих (любовь Канадэ, x), пересекается с 
любовь-штрих (любовь Канадэ, y).