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...
You know of a few things 
yourself, don't you?
أنت تعرفين بعض الأمور أيضًا، صحيح؟
Na, ganz unbeleckt bist du
auf dem Gebiet doch auch nicht.
Sabes de esas cosas, ¿no?
Sabes de esas cosas, ¿no?
Tu dois bien connaître
un ou deux phénomènes…
Ne conosci alcuni, vero?
Você sabe de uma coisa
ou outra, não?
Ты ведь и сама кое-что знаешь.