Miki, Saori, and Keiko are three girls who are invited to join a prostitution group run by Miki's sister, Chibi, and are working as prostitutes. One day, they meet Hideo, a man who wants to be a singer. They learn that Hideo is impotent so they agree to treat him...
Yusaku feels that his wife, Misako, has become more bewitching. This is because Misako's erogenous zones have been completely developed by Yusaku's careful daily sexual techniques. Misako is moaning in Yusaku's arms. She had been so absorbed in sex since last night that she seemed to have forgotten...