故事发生在德川幕府统治下的江户时代。在设定中，胸部的大小成为决定一切的标准，较大的胸部成为国王，较小的胸部成为战败的敌人。因此，拥有可以放大乳房的祖传秘书的魔乳一族，真正将生死掌握在他们手中。
西本弘（Akai Yoshihiko配音），一个只喜欢年长女性的年轻女性杀手，玲美作（Yoshitaka Wangyue配音），就读于白金级贵族学院的英德学院。这四个人的名字被称为“F4”，大家都不知道，很少有人敢反抗。然而，在菜鸟女孩杉野真子（石田正史配音）看来，他们只是嘴里含着金汤匙出生的无用富人，而一濑伸手去吃。一个叫Sugigi的普通女孩，她讨厌权贵，被家人强迫进入英德学院。没想到，当她第一次到达时，就激怒了恐怖的“F4”。与此同时，她还必须与学校里那些扭曲古怪的少爷小姐们打交道。坚强而从未放弃的杉吉会有什么样的命运？
Sewoon Shopping Center, the first to distribute pornographic tapes in Qingxichuan! That's where people's erotic stories begin. That year was 1996. Kyeong tae filmed an illegal video with pornographic actor Pan sub in the Sewoon shopping area of Qingxi Street. They met Joo ri who was about to work for an adult agency in Macau with a pornographic film. Kyeong tae and Pan sub are excited that they have the opportunity to win a large sum of money. Kyeong tae handed over a tape to Hyeong soo, who was the source and distributor of their goods, while Hyeong soo signed an agreement without her knowledge and used all the money she had previously saved to sign a contract. Moneylander Soboro discovered and raided the filming site, taking all of Kyeong tae's money and demanding that he pay the remaining amount within three days. As the deadline for the contract approached and three days approached, Qing Tai borrowed money from Hyeong soo, who gave him a Japanese version of a snuff movie and offered him a deal. He accepted without a doubt, but found himself fooled and decided to join the gang. Then he replaced the props and knives on the set with real ones...
