Nemoto, a dull college student, is suddenly dumped by his girlfriend, who he has been dating for a short time... As he wanders around in despair, he hears his ex-girlfriend laugh as she tells her friend: "My ex-boyfriend was just a cash cow" "Otherwise, I wouldn't have dated such a creepy and gloomy guy." Realizing that he was merely being used, Nemoto feels intense hatred and resentment toward women... Then, a beautiful girl in a black suit, Yuina, appears before him. She, whose identity he doesn't know, recommends a service... "SEX Subscription." For a monthly fee, he'll have unlimited sex with various women. He's speechless at the beautiful girls registered and despite the high price, he signs the contract... Then, as if to vent his hatred, he spends his days indulging his sexual desires with various beautiful girls. Then, one day ... When Saki, who resembles his ex-girlfriend, arrives, Nemoto becomes even more aroused as he remembers the root cause of all his troubles. He uses every possible method to bring Saki to the crucible of ecstasy... and then...(͠≖ ͜ʖ͠≖)