Ura, who was living a happy married life, falls into a trap set by Chisato and her daughter Himari, who run a happening bar, and is raped by the bar's regulars. Ashamed of how she has become defiled, Ura is unable to ask her husband for help and spends her days succumbing to the incubi's threats. Then, one day, Chisato and her friends plan an even more hellish incubus party...