After losing her parents in an accident, Ai lives with her younger brother Takao.He continued to work hard, and after graduating from university, he had his sights set on getting a job at a well-known company.Only a bright future awaits Ai and Takao... or so it was supposed to be.However, unreasonable things suddenly come to everyone.Because of Takao's one mistake, Ai is put down by her ruthless peers...Day after day, night after night, he continues to be haunted by vulgar men at a remote industrial waste factory! !