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...
Once upon a time,
كان يا مكان في قديم الزمان
Es war einmal vor langer, langer Zeit
Erase una vez,
Érase una vez,
Il était une fois,
durant un rude jour d’hiver,
C'era una volta, tanto tempo fa,
Era uma vez...
Давным-давно