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...
If you get any dumber it would 
be a very serious matter.
إن أصبحت أغبى ممّا أنت عليه
 .فستكون تلك مشكلة حقيقيّة
Wenn du noch blöder wirst,
wird’s gefährlich.
Si te haces más tonta, será un problema.
Si te vuelves más tonta,
será un problema.
Tu es déjà assez bête comme ça.
Se diventassi ancora più stupida
 sarebbe un bel guaio.
Se ficar mais idiota,
será um problema muito sério.
Ведь нельзя тупеть ещё сильнее.