In the noisy men's bath of a public bathhouse, a busty gyaru girl named "Ramu" suddenly shows up to bathe. Male patrons quickly turn their attention to her, captivated by her stunning appearance. However, the moment Ramu reaches for her towel, a penis unexpectedly appears between her legs. This shocking revelation sends the male guests into greater excitement, causing them to visit the bathhouse daily, completely obsessed with Ramu. Meanwhile, Ramu responds to the desires of the men she seeks, aggressively pursuing cocks and reverse anal play one after another, deepening the intense connection between them.