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...
Everything in the universe abides 
by the rules of numbers.
.كلّ ما في هذا العالم يخضع لقوانين الأرقام
Im Kosmos wird alles von
den Gesetzen der Mathematik regiert.
Todo en el universo obedece
las reglas de los números.
Todo en el universo se rige
por las reglas de los números.
L’univers, dans son entièreté,
obéit aux règles des chiffres.
Tutte le cose nell'universo 
rispettano le regole dei numeri.
Tudo no universo obedece
a regras de números.
Всё во вселенной управляется числом.