Rui Negoto, who has no boyfriend and usually reads erotic novels, is distressed. Let's fully open her unused E-cup breasts and her restrained sexual desire! Rui, who is modest due to the endless desires of middle-aged men, gradually becomes bold... She opens a new door to sex at 30 years old! Rui, whose mature body is developed by the big dick of the middle-aged man, becomes completely brainwashed and goes crazy with orgasms!