For some reason, Kaguya and Shirogane indulge Fujiwara's idea of doing cosplay for the upcoming gathering with students from their sister school in Paris. Deep down, Kaguya thinks it's silly, but when she puts on cat ears, a subdued "meow" escapes her mouth. Moreover, that minor cosplay is an unexpected major hit with Shirogane, an avowed cat lover. He's so bowled over by her cuteness that he isn't able to maintain his usual presence of mind. The situation becomes more complicated when Shirogane follows suit and puts on cat ears, which secretly thrills Kaguya. Unable to hide their thoughts that each other looks cute, the two act weirder and weirder...

The invasion of the PSYqualia zombies spreads towards Card Capital. Kai brings forth the power of a new Overlord in order to save Kamui and the others who have become PSYqualia zombies.

Why Did YOU Come to Japan? at Narita. - Why are YOU here? We gathered submissions from our viewers on our homepage, and visit spots that are purported to have lots of foreigners! We hear that there's a sushi restaurant and ramen shop where over 90% of the customers are foreigners. Is it actually true? - Why did YOU come to a secluded place? This time we go to one of the Izu Islands, "Niijima," and search for foreigners!

Yuga faces Eden in the first match of the finals. Garga reflects on his journey with Yuga, and hopes he can make his young Buddy’s dreams come true.

Técpatl and Unabara square off in Shiokishi's chambers, while Accelerator and Sugitani face each other in the hallway outside. Kinuhata discovers the true reason for the current assault against herself, Takitsubo, and Hamazura.

Natsumi uses her powers to turn the girls into children. But their plan to convince Natsumi that her true form is cute turns out to be no child's play at all.

Emma, Norman, and Ray figure out that there may be a traitor among the children, an informant for Mom. As Norman attempts to solve this mystery, Emma notices something strange about Gilda.