19-year-old hairstylist Shingo goes on a trip with two coworkers. One day during the trip, he sneaks behind some rocks to secretly relieve his pent-up sexual desire. However, one of his coworkers accidentally discovers him masturbating to lewd fantasies. Faced with a flustered Shingo, the coworker gently wraps his hands around Shingo's body. Unable to resist the warmth, Shingo sinks even deeper into his lust. Regardless of weather or location, the two indulge in a filthy relationship. This journey spirals endlessly into a whirlpool of desire...