They approached girly girls found on the street and asked, "Could you dress as a man and infiltrate the men's bath with just a single towel?" In a bathhouse full of strange men, they stand there sweating, wearing only a waist towel with zero defense—more embarrassing than being naked. Using their flat chests, petite breasts, and minimum bodies as weapons, they face a thrilling, heart-pounding test of courage! A series of unpredictable happenings where they almost get caught but don't. When suspicion arises and their identity is about to be revealed, they secretly... Surrounded by a mass of cocks, is this girl a boy or a girl? In a situation where they absolutely must not be caught, can these "flat-chested boyish girls" play the part of a man until the end?
