Hiroko Masuda

Alors que le gouvernement japonais vient de rétablir le « jour de la fondation de l’Empire », abrogé après-guerre pour ses connotations nationalistes, Nakamura, Ueda, Maruyama et Hiroi passent à Tokyo leurs examens d’entrée aux grandes universités. Tous pourtant ne pensent qu’à une chose : le sexe. Ils partent ainsi à la recherche d’une jeune fille dont ils ne connaissent que le numéro d’examen. Mais ils croisent le chemin d’un professeur d’université, Otake, qui les initie bientôt aux secrets des chants paillards…

Dégoutée par son mari, Miyako entretient une relation adultère avec le jeune Kitano. Un soir, celui-ci demande à la photographier nue. Elle accepte, mais les négatifs lui sont dérobés. Soumise au chantage d'un inconnu, Miyako n'a alors d'autre choix pour les récupérer que d'obtempérer, et prend le train pour Katayamazu Onsen...

Former students of the notorious Harenchi Gakuen college open a new school for dissident youths after their former school is ruined by disputes.

When Keiji Takama returns to Nagasaki, he finds many changes. The rights of the entertainment field that had been held by his family have been taken over by the Matsui Group, a new gangster setup. So he becomes head of the Takama Group to regain lost territory. With the cooperation of all the Bosses from Tokyo to Nagasaki, who had known his father, Keiji recovers the rights to put on shows at the City Hall. As he had feared, however, Matsui begins to interfere with his plans. Keiji's men are furious, but he knows better than to take up the cudgels with Matsui at this important time. Whatever Matsui does, Keiji goes one better. Frustrated and bitter, Matsui calls in the help of Koiwa, a killer. Now, having tried his best to oust Keiji but finding that he is made of sterner stuff than he had counted on, he decides to have Koiwa do away with him for good.