Keima proclaims that books are no longer necessary in this day and age and the soft-spoken Shiori finally loses her cool!? As a result, Keima is able to hear how Shiori truly feels, but now there's an uproar in the library...? The "fortress of paper" that's protected Shiori from the real world is about to change...

The members of Spirit Affairs make their way to a festival at the nearby shrine. Zakuro and the other girls are very excited in their yukata. The group first pays their respects to the guardian lions of the shrine, Lords A and Um, before enjoying the rest of the festival. They even try out the large maze that has been erected for the festival. The group breaks up into teams in a race to reach the exit, but Zakuro is captured by someone upon getting separated from Agemaki.

The Inspectors have taken over the major military bases of the North American Reion, and the Federation Government and military are plunged into chaos. Meanwhile, Archibold of the Neo D.C. forces takes over the Riksent Duchey to secure military funds. The Battle Carrier Hiryuu Kai has descended to Earth, and met up with the Hagane. Kyosuke, Excellen, and the other pilots launch a mission to recover Riksent from Neo DC. Rai, whose sister in law was killed by Archibold, corners him enraged, but the group is endangered. Then Latooni and Shine's new armored modules, the Fairlions, appear...

After school, Ringo, Leila, and Natsuki are talking with their classmates about Mr. Atsui's assignment, an essay about their dreams. The others are excited as they each talk about dreams such as wanting to be a pro soccer player or taking over the world. However, Okada silently listens to everyone. When Leila asks Okada what his dream is, he says it's nothing big and laughs it off, but it seems Okada has a dream he wants to come true as well. While walking home that day, Okada spots an old lamp on the ground. Okada stares at the strange lamp and decides to rub it a little. Suddenly, the lamp glows and from inside the lamp, the genie Alijiji comes flying out! Alijiji tells the shocked Okada that he will grant three of his master's wishes.

With the successful coupon event, more and more customers are arriving at Mari's shop. But time is short and that'll only last for a while unless they make some fundamental changes. In order to think things through, Mari is forced to take a day off and actually see some of the sights of the town she lives in, New York! But on the way back, there's a terrible accident... A wedding cake is ruined! Can Mari save the day, and maybe save herself in the process?

Squid Girl pushes the doorbell at a stranger's house as a prank. She tries to flee immediately but she runs into Chizuru and then the occupant of the house comes out. She feigns as if she's there to visit a friend to try to deceive them, but she is in a critical situation as then Kiyomi shows up, having returned from club activities! Squid Girl has the lipstick she got from Eiko applied by Chizuru. She is impressed by her new look and decides to work at the Lemon while looking like that. Not discouraged by an attack from an over excited Sanae, Squid Girl is unable to control her curiosity about make-up and wants to try out various styles, except... The three stooges from Cindy's lab come to the Lemon. They pull out various inventions that they brought from the lab, but they all look really shady. Among them, Squid Girl wants to try out the "bullets that grants you the dignity of an invader," but the light fired from the gun causes...!?

With the wounded Niche left in the "Garden of Spirits" which the Maka protects, Lag runs into Zazie on his way back to the Bee Hive, and they stop by the town of Lament where Connor is. There, the two of them are surprised to find Connor collapsed, but it was because he'd eaten too many cookies from a nun named Sunny. Lag witnesses Roda, Noir's dingo, picking up a delivery of letters at the Abbey where Sunny lives, so he goes undercover and infiltrates the Abbey to find out if it is a Reverse base.

18: Panty & Stocking fall for a trap and are shrunken. Though Brief loves them dearly, their patience quickly runs out... They do something crazy. 19-21: Day and night, Panty, Stocking and Garterbelt abuse their trusty sidekick, Chuck. But it turns out he's been busy this whole time...

Hey, it's Tomoki. Ikaros and Nymph, and even Astrea lately, have been making a ruckus at my house. I don't have any place of refuge anymore. This is a problem. There are people who think I can just spend my time surrounded by cute, sexy girls, but they're crazy. Nymph and Astrea do whatever they want, and Ikaros does ridiculous things without even realizing it. Now that I think about it, Ikaros has seemed kind of weird lately. She starts to space out... well, I guess she's always been like that. Anyway, someone give me back my safe havens!

Elsie's cake ended up blowing up! Keima yells at Elsie for lacking common sense, so Elsie goes to the library to study up on common sense in the human world. Maijima Academy's library houses an expansive collection of books. Elsie gets excited after finding a flashy picture book, but then she detects a loose soul in the librarian, Shiori Shiomiya! Shiori is a quiet and soft-spoken girl. It will be difficult to get her to speak, much less open up...

There is a fad going around where young girls ask a "kokkuri" for romantic help. Back at Spirit Affairs, Bonbori and Hozuki immediately give it a try. Zakuro and the others are also interested. However, the "kokkuri" runs off wildly. Zakuro tries to dispatch it but her blade has no effect. By chance, Lt. Hanadate, who came to Spirit Affairs with a request about this case, joins in the search.