やりたい人妻たち２　昇天テクニック (2003)

A book that claims that housewives are livestock kept by their husbands has become a hot topic. The author is Eri Kawamura. Housewives Tamayo and Hiroko are enraged by this claim and approach Eri's mistresses with the intention of blowing a bubble with Eri, but... The second installment of the series by Sachi Hamano.