The first semester has come to a close, and the Ikeda lab is having a party where everyone's bringing what they like to eat and drink. They're having fun, playing games like the "prime number Yamanote line game," when a drunken Himruo finally does a certain something with Yukimura... And even Kanade ends up drunk... On the other hand, the mood quantifier obtained through the previous round-robin kiss experiment has progressed their research tremendously, and in order to gather more data, Yukimura and the others use fairy tales such as "Snow White," "Kaguya-hime," and "The Crane Returns a Favor" as references, but...
a lone, penniless science-type man 
found a crane caught in a trap.
.رجل وحيد ومفلس عثر على طائر كركيّ عالق في فخّ
Da fand ein einsamer, mittelloser
Geek einen Kranich in der Falle.
un científico pobre encontró
a una grulla en una trampa.
un científico pobre que encontró
a una grulla en una trampa.
un uomo solo, senza un soldo e dalla mente analitica
che trovò una gru intrappolata.
um pobre e solitário homem de exatas, que
encontrou um grou preso numa armadilha.
одинокий, бедный и умный мужчина 
нашёл журавля, попавшего в ловушку.