A 'perverted artist' uncle who meticulously teaches his obedient niece the pleasures of sex one by one, training her into a sex slave. For the sake of being loved by such an uncle, the niece 'きう' secretly visits him at his house. Alone with her uncle in his home. The repeated humiliating acts. The puberty-aged niece's vagina throbs, and today she begins to crave her uncle's penis.
