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...
Don't just go making some 
weird definition like that!
!لا تقم بعمل تعريف غريب كهذا فجأة
Stell nicht einfach komische Definitionen auf!
¡No hagas una definición rara de eso!
No saques una definición rara de eso.
Pas besoin d’en faire une formule !
Non scrivere delle cose strane come quelle!
Não faça definições
esquisitas como essa!
Не надо записывать 
такие странные определения!