This work depicts lewd acts in a bathroom, presenting a shocking 4-hour incest-themed video featuring 16 girls. Girls who once had no awareness of themselves as "women" during childhood suddenly recognize their bodies as feminine when bathing together again after a long time. Noticing the slight swell of their breasts, the curve of their waists, and their hairless yet erotic pussies, they become aware of their physical changes. Uncontrollable desires begin to stir, leading them to cross the taboo of incest as the girls are dominated and penetrated. The story realistically portrays impure relationships born within the intimate space of a bathroom. *No performers in this work are under 18 years of age.