During a school trip, the hidden desires of female students spiral out of control within the confines of a private room. Whether at home or away, they indulge in masturbation without hesitation, captured by a hidden camera placed inside the restroom of their lodging. The sight of beautiful schoolgirls intensely pleasuring themselves is mesmerizing. Four out of five have experience with masturbation, with three being habitual. Over the course of a two-night, three-day trip filled with sexual tension, their minds gradually unravel. Longing for boyfriends left behind and memories of adult toys hidden beneath their bedroom mattresses drive their actions. Hidden cameras placed in a common inn used for such trips reveal their true selves. The shocking moment begins now—something that would make a father weep.