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...
What about the law of conservation of mass?
ماذا عن قانون حفظ الكتلة؟
Was ist mit dem
Massenerhaltungsgesetz?
¿Y la ley de conservación de la materia?
¿Y la ley de conservación de la materia?
Et la loi de conservation
de la masse ?
Che fine ha fatto la legge 
della conservazione della massa?
E a lei de conservação da massa?
А как же закон сохранения массы?