Kotoko arrived in Makurazaka City to take care of the incidents with Steel Lady Nanase and happens to run into Saki, who had become a police officer. Saki decides to research Nanase Karin a bit more and learns that the former idol had died a mysterious death. In order to defeat Steel Lady Nanase, they would need more details, but...

Tama gets kidnapped and the cats and dogs of Third Street are on hot pursuit! Momo's button flies off as she catches it in the air. What could be causing this? Finally, the cats and dogs of Third Street hear about a new cat café in the next town over.

As Mikazuki Villa becomes more lively, Yachiyo is reminded by Mifuyu about the dangers of making new friends because of what happened to them in the past. Yachiyo becomes distant from the rest of the tenants while the others set off to visit the Uwasa of the Memory Museum.

Koyuki is down in the dumps because he isn't getting any taller as he grows older. Can the others cheer him up?

Koyuki is down in the dumps because he isn't getting any taller as he grows older. Can the others cheer him up?

With the unexpected reunion, "Shin" brings back "Shinemon" from 10 years ago for the fight. The fight to lead Shinemon's new future begins...

Izuku rushes back to the school festival after his encounter with Gentleman and La Brava, but will he make it in time for his performance?

Ibarada suggests that one of the greatest factors in the base conditions of romantic love is "whether or not you want to kiss the person," so Yukimura decides to try to kiss Himuro. However, Himuro doesn't like the idea of a kiss where the exact angle is measured with a protractor. When Himuro realizes that if the mood were more like it had been in the Ferris wheel, she might not mind a kiss, she and Yukimura create an equation to numerically define "mood value." In what location might the "mood value" be highest? And will the two of them be able to kiss...?!

Hoping to cure Haitora's illness, Uzoi attacks Somali, but realizes she can't bring herself to hurt her. That night, Haitora reveals an important secret to Golem... which Uzoi happens to overhear.

Subaru has devoted everything he had, and done all he could do. His passion has captured Crusch's heart, as well as Anastasia's cooperation, and they all enter into the battle against the White Whale together. Subaru and Rem lose all words at the sight unfolding above them. Just when it seemed they would soon have the White Whale cornered, despite the sacrifices it took to reach that point, the battle takes a turn that no one expected.