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...
So, you go out and find a hundred 
crows and they're all black, bear.
.لذا تخرج لإيجاد مائة غراب وجميعها سوداء، دبّ
Also zieht man los und findet hundert Krähen
und die sind alle schwarz. Gwar.
sales y encuentras 100 cuervos
y todos son negros.
sales y encuentras 100 cuervos negros.
On trouve cent corbeaux,
tous noirs.
Quindi andate fuori e trovate cento corvi,
e sono tutti neri, orso.
Então, você sai ursando por aí e
encontra cem corvos, e todos são pretos.
И вот, вы идёте и находите сто воронов, 
и они все чёрные, мишка.