Popular gyaru girls enjoying themselves at a sunny Shonan beach are captured in this hidden camera-style release. As the girls relax and play under the bright summer sun, one suddenly rushes to the restroom, unable to hold it any longer. In an instant, she strips off her swimsuit and squats over the toilet, letting loose an explosive stream of piss followed by a massive bowel movement. This raw, unfiltered glimpse reveals the girls' true, unguarded side—something they'd never want beachgoers to see. An unexpected scene unfolds at the heart of summer at Shonan Beach.