Mr. Dynamite, the man with the world's thickest and longest cock, who has captivated numerous famous AV actresses, invites four unsatisfied married AV actresses for a one-night, two-day hot spring sex tour. The erotic charm and skilled techniques of these beautiful mature women put even his legendary 41.2cm giant cock at a disadvantage. Yet once he unleashes his full power, he overwhelms them with relentless, generous facials to satisfy their deepest desires, leading to an intensely thrilling experience.