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They failed the end-of-year exams, and now Rei, Himeko, Miyako, Kurumi, Otome, Yuuna and Serizawa find themselves facing the unpalatable prospect of retests - that is, unless they can win a game of kick-the-can against the rest of the students and staff. However, this means that they must contend with genius teacher Becky Miyamoto, who is determined to stop them from claiming victory. With bizarre occurrences and heavy artillery very much the order of the day, the girls will need to be sharp, smart, and very, very lucky!
Ink Nijihara, who does very well in her high school English class, has a crush on her classmate Nao; but as she is both shy and clumsy, she finds herself unable to get closer to him. Furthermore, since he does poorly in English, he does not intend to go to a university, crushing Ink's dreams of going there together with him. Out of the blue, a talking duck who turns out to be a polymorphed (and perverted) wizard exiled from a magic kingdom falls from the sky and lands in front of Ink. He offers her magical powers in return for helping people in need. Ink sees the magical girl transformation as a chance to help Nao with his English without feeling embarrassed about it, and thus she begins her adventures as Magical Teacher Pastel Ink!
A team of four brave women -- Fighter (also the daughter of a legendary warrior who saved the country in the past), Paladin, Mage, and Dark Elf -- accept the quest of saving the world from destruction. In order to achieve the goal they have to barter with villagers and fight against numerous monsters in their sexy and scantily-clad bikinis.
A hyper girl named Azuki Edomae and her friends Mutsumi Mutsuki and Serika Shihōdō protect the peaceful order of a town by transforming into Kigurumikku-Swan, Kigurumikku-Falcon, and Kigurumikku-Swallow, respectively, via cosplay outfits. "Kigurumi" is a type of cosplay that essentially turns a wearer into a giant plush toy or doll.