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...
Which is why, in order to find 
ways to find proof of love,
،لهذا السبب، من أجل إيجاد طرقٍ للعثور على دليل للحبّ
Um nun den Beweis für
die Liebe erbringen zu können,
Por eso, para encontrar formas
de probar el amor,
Por eso, para encontrar formas
de demostrar el amor,
J’aimerais
que l’on réfléchisse ensemble
Ecco perché, per trovare dei modi
con cui ottenere prove dell'amore,
E, para encontrar uma forma
de provar o amor,
Чтобы найти способ научно 
доказать любовь,