A female student becomes pregnant at a guesthouse, falling into a trap of aphrodisiacs at a sadistic inn, and is repeatedly impregnated until her sperm flows backwards. (Futaba Ema, Yura Kana, REAL-954)

The last summer of their student life, female students travel with family and friends, staying at a guesthouse. But it's the worst hotel run by a sadistic owner. They are drugged, losing themselves to the point of losing all sense of shame. They experience spasmodic orgasms amidst copious amounts of vaginal discharge and urine. Their immature bodies are mercilessly filled with semen, and they are gang-raped until they reach their lowest point. A trip with their dearest female friends turns into a nightmare from which there is no turning back…