Anastasia can't find her underwear and is forced to spend the rest of the day without it, which proves troublesome when Arisa/Alisa reports something strange in the woods and the gang decides to investigate. When their search turns up nothing and they lose each other whilst going home, Anastasia reminisces about how she and the Himenokoji twins met. Kaoruko has a fever-induced dream that she and Akito's cohabitants have entered a polygamous marriage with him.