【精子掻き出しサービス、女性の膣内、子宮に残留する精液を100％取り除くサービス】このサービスを知った大学生、りょうは彼女、みきとのSEX中に無許可でコンドームを外し、抵抗する彼女を無視し中出しをキメた。軽薄な態度に怒りを露わにするみきにりょうはスマホの画面を見せる。「このサービスがあるから大丈夫だって！」彼はこの選択を後悔することになる…。派遣されてきた異様な風貌、得体の知れない不気味さを感じる男、狩鷹（かりだか）。凶悪なデカチンを取り出し、施術という鬼ピストンSEXを目の前で繰り広げる…！聞いたことのない彼女のオホ声、天井にまで届きそうなハメ潮アクメ、彼氏に見せつけるような洗浄（膣内射精）…。そして、このサービスの虜になってしまったみきは彼氏との行為用のゴムに穴を…

[Sperm Scraping Service: A service that completely removes any remaining semen from a woman's vagina and uterus] When college student Ryo learned about this service, he removed the condom without permission during sex with his girlfriend, Miki, and ignored her resistance, ejaculating inside her. Miki was furious at his flippant attitude, and Ryo showed her his phone screen. "It's okay because there's this service!" He would soon regret this choice… A man with an unusual appearance, a mysterious and unsettling aura, named Karidaka, was dispatched. He pulled out his enormous penis and performed a brutal piston sex act in front of her…! Her moans were unlike anything she had ever heard, her orgasm was so intense it seemed to reach the ceiling, and he performed a cleansing (vaginal ejaculation) as if to show off to her boyfriend… And Miki, who had become addicted to this service, began to puncture the condoms she used for sex with her boyfriend…