A strict uncle takes in his niece Wan-chan, who has repeatedly engaged in illicit sexual relations with the opposite sex, in order to correct her disorderly lifestyle... But he is fixated on his niece's loose panties! After the uncle is in a state of confusion, he has sex with his niece and cums inside her! With his inhibitions gone, the uncle becomes a virile man and goes crazy! His slutty niece can't stand the intense pistoning and squirts and cums over and over again! The carefully selected panties and the temptation of the devil Wan-chan's panties are sure to excite you!