Hiroshi learns from his father as a family business. This year's Champions League in London will be ready and Hiroshi will take a long business trip under the command of his father. Thinking about not seeing it for a while, Hiroshi secretly goes out of the house with a passionate relationship with Asako. At that time, her father-in-law Daito, who came to Asako's house, asks her daughter-in-law Asako a strange question and reveals her hidden heart. Asako also thought of Daito as not bad, and he didn't know what to do with Daito's bold dash, but eventually the two who betrayed each other and were caught up in their desires crossed the line that must not be crossed.
Taichi watches as his uncle's wife and co-worker, Kumiko, struggle with a troubled marriage. Kumiko finally decided to divorce her uncle. Taichi feels his body heat up as he comforts her own little mother. Eventually, the two begin to covet each other while riding the heated atmosphere.
Rie Takimoto, a medical concierge working at a clinic in Tokyo, was challenging onanism with "bare hands", which is not possible with conventional ED treatment, in order to demonstrate the "new ED treatment method" proposed by the director. However, a popular actress, Hibiki Otsuki, appears in front of Takimoto who is depressed because the results are not good, and the ED is solved without difficulty! Takimoto finally decides when he sees it.
Another buxom bombshell falls prey to the masked vigilante, the Big Boobs Buster! Rumor has it that the vengeful villainess was once a mild mannered student ridiculed and rejected for her small bust size. Now, the spurned woman gets even by donning a ridiculous costume and taunting her well-endowed nemeses. Will bouncy coeds across the land be forced under cover? Is any bosomy beauty safe from the Big Boobs Buster?