After accidentally breaking a statue of the guardian god of the Asakusa district, middle school students Kazuki, Toi and Enta are transformed into kappas -creatures from japanese folklore- by Keppi, self-proclaimed prince of the Kappa Kingdom. If they want to regain their human form, they must collect the five Dishes of Hope for him, which fulfill the wishes of whoever possesses them. To do so, they will fight against the kappa-zombies and extract their "shirikodama", the mythical organ containing humans' deepest desires. Two policemen, Reo and Mabu, are the ones behind this evil scheme, turning humans into zombies as agents of the Otter Empire, enemy of the Kappa Kingdom since ancient times. In the guise of "Kappazon, Inc.", they control society by manipulating the desires of the masses for their own goals. To succeed in their mission, the boys must be connected through the "Sarazanmai", revealing their most intimate secrets in the process...
Pedro, Luis, Raúl and Santi are four friends who feel a bit lost in the new world of empowered women, each trying to adjust in their own haphazard way.
Peter Lum, a football star, lives an ideal life in Cronulla until a diagnosis links his concussions to a brain disorder. Unable to accept it, he tries escaping through pub nights but his ex-wife and son know the game caused his downfall.
Édouard does not meet the popular standards of virility, and this generates in him a feeling of inferiority. During a weekend at the chalet with Renaud and Xavier, his childhood friends, he discovers that despite their mutual affection, they no longer have a positive influence on each other, being trapped in a dangerous game of virility.
An invested father-in-law, Nicolas is devastated when his girlfriend leaves him and cuts him off. So he takes refuge in his childhood hometown to find his friends and navigate with them through their lives as modern men.
The socially awkward Lau goes on the traditional Man Camp with the provincial town boys to prove that he's a "real man". But, things get tricky when he develops feelings for another boy on the trip.
After a personal crisis befalls Jose Maria, he realizes that he is surrounded by women who are constantly demanding something from him as a man. Something he can't give. Overwhelmed and unable to fulfill his responsibilities, Jose Maria joins The Oasis, an underground help group for men. There he starts to question what it means to be a man.