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...
"Preconditions for believing you're in 
love with someone"...is that right?
توقّعات لمعرفة إن كنت واقعًا في حبّ شخصٍ ما"... صحيح؟"
„Voraussetzungen für den Glauben,
in jemanden verliebt zu sein“ … Ja?
Condiciones previas para creer
estar enamorado, ¿eh?
Condiciones previas para creer
estar enamorado, ¿eh?
Comment fait-on pour savoir
si l’on est amoureux, c’est ça ?
"Prerequisiti per poter supporre
di essere innamorati di qualcuno"... giusto?
"Condições para acreditar
que você ama alguém"... é isso?
По каким признакам можно понять, 
что в кого-то влюблён? Так?