A crossover anime short between Yoshikawa's two series, Yamada-kun and the Seven Witches & Flunk Punk Rumble.

Shiraishi Urara is the top student in her school. One day, due to an accidental kiss, Urara finds herself in the body of the school delinquent, Yamada Ryuu! In trying to switch back to their own bodies, Urara and Ryuu discover that kissing causes them to switch bodies, which leads to their discovery that there are 7 witches in their school. They soon try to uncover the identities of the 7 witches...

One day, high-school boy Yamada bumps into the beautiful girl Shiraishi on the stairs (literally), and their lips touch as they fall. When they regain their wits, they realize that they have swapped bodies. As time progresses, the two realize that this is not the only mysterious happening in the school.

Urara Shiraishi is a model student with excellent grades. Ryu Yamada is a trouble student. One day, Urara tumbles down the stairs with Ryu. After the accident, their bodies become switched. When they tumbled down the stairs, they happened to kiss. They guess that they may have changed bodies because of the kiss. They kiss again and they get their own bodies back. Through kissing they can change bodies freely. They also learn that there are 7 witches with special abilities and that the 7 witches can use their special abilities by kissing, so Urara and Ryu set out to find the 7 witches.

Fourteen-year-old Iruma Suzuki has just been abandoned and sold to a demon by his irresponsible parents! Surprisingly, the next thing he knows he's living with the demon who has adopted him as his new grandson and has been transferred into a school in the Netherworld where his new demon grandfather works as the principal. Thus begins the cowardly Iruma-kun's extraordinary school life among the otherworldly as he faces his true self, takes on challenges, and rises to become someone great.

Set six years prior to the events of Barakamon, detailing the life of Seishuu Handa as a high school student—and a very interesting life it is. In Handa-kun, Seishuu Handa is admired by his peers as a calligraphy genius and given the utmost respect, but Handa-kun himself is under the mistaken impression that the deference and attention he receives from the other students is actually bullying. Handa just wants to live a quiet life, but hilarity ensues as one character after another challenges his position as the school idol, and somehow comes away as a fan all while Handa is horrified and clueless.

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October, 1987, Autumn. In Suganami, Tokyo, there lives the Kinoshita family whereby the father draws very little pay out of his job as an ordinary salaryman. In order to cover expenses, he decides to let out the second floor of their apartment to earn additional rental income. One day, an obstinate-looking eldery dog, accompanied by a younger boy-dog, came knocking on their doors. The eldery dog addresses himself as Norayama Kuroyoshi and introduces his grandson as Norakuro. The former wants to open a detective agency and intends to rent the unit for their office. He will be the president of the investigative bureau while Norakuro-kun will be the director. He will also recruit one of the Kinoshita's sons, Keita-kun, as his employee and their advisor will be the girl-next-door, a high school student by the name of Rika Sawaguchi. On the third day since the official opening of the office, the telephone rang, a signal of a new case.

When Owen's girlfriend asks him for a "roze koek" (a Dutch pastry, "pink cake"), a quest follows past guards at the candy machine, at the changing rooms and even at the toilets... Then Owen discovers that school principal has sold the school to an organization 'that doesn't want to do anything with it for the time being.' 'Kun je wisselen?' was the exam assignment of the Podium class of the Ostrea Lyceum in Goes, under the guidance of Annet Minderhout. The film was made possible by the province of Zeeland as part of a larger project.

The story of Mairimashita! Iruma-kun follows Iruma, a kind-hearted 14-year-old boy whose parents sell him to demons for their own selfish interests. However, the demon he is sold to has no grandson of his own, so he dotes on Iruma and sends him to demon school.