A beautiful girl named Yuri is brought to the rooftop of an abandoned building in Tokyo. She is made to wear embarrassing clothes and is gang-raped and trained to her satisfaction. A masochistic woman who feels ecstasy while being insulted and abused by various men. Her innate perverted sexual desire is unleashed and she seems happy, saying that this is what she has always wanted. Yuri is pleased when thick semen is received in her mouth and big breasts and even released into her vagina. The men who play with and train the masochistic big-breasted woman who knows no bounds continue to violate the perverted Yuri and punish her with many penises!