Takizawa Gareso is a man who has suffered from "premature ejaculation" for many years. Wanting to save other men with the same struggle— Driven by this desire, he holds an unprecedented audition! "Real Premature Ejaculation Men vs. Strongest Actresses! If You Improve Your Premature Ejaculation, You Get a Harem Orgy with Actresses!" Over 200 men with premature ejaculation gathered through Gareso's SNS recruitment! After strict screening and interviews, only 13 were summoned to the audition venue! From those, the most serious men were narrowed down to 7, and after the final selection, only 3 remained—. Waiting for them was a special lecture by Mr. Shinrin Genjin! After being drilled in theory, practice, and the "secrets of endurance" for one month, the three finally head toward the finale... Their partners are: Aya Onami, who toys with men with her pure sex appeal, Nozomi Arimura, who makes men weak in the knees with her overwhelming eroticism and embrace, Miu Arioka, who possesses both innocence and adult sex appeal— A lineup of renowned, highly skilled actresses. By their hands, and by their bodies, the men's "true ability" will be tested—. Each of the three men faces a date sex with an actress, keeping the techniques learned in the lecture in mind. Will they have overcome their premature ejaculation, or will they be unable to resist their instincts... And then comes the climax. For the man recognized as having most successfully improved his premature ejaculation, A reward harem 4P sex where he can have all three actresses to himself awaits—. This is the record of a challenge by 200 people that began with one man's "application." Who will ultimately stand at the top?