Mizuki Sakino's 4th work is her first challenge to a full-fledged erotic drama! A husband who is harsh on his wife who can't get pregnant because of him, a father-in-law who worries about the relationship between his son and his wife, a wife who secretly watches such a father-in-law... When her heart is revealed, the father-in-law struggles but ends up indulging in his daughter-in-law's soft skin... Not as my son's wife... I want you to see me as just one woman... Intertwining sweaty skin, the wife and father-in-law become just a "man" and a "woman"!! The forbidden betrayal where the married woman's instinct explodes is a must-see!!