Mai Imai, a beautiful young girl with an innocent expression and a slim, white body, takes on a sexual picture scroll full of immorality. When Mai returns to her grandmother's house, she strokes her uncle's genitals while he is napping on the veranda out of curiosity. Since then, she has been targeted by her uncles, who call her a "naughty girl." The middle-aged men lick the beautiful young girl, who knows nothing about sexual acts, as they please. They do the devilish thing of covering her pretty face and innocent genitals with semen until they become sloppy! Before long, Mai awakens to the pleasures of sex as a sex slave.