Mizuki Sakino's 4th challenge is a full-fledged erotic drama work for the first time! !A husband who is hard on his daughter-in-law who is unable to get pregnant because of him, a father-in-law who is worried about the relationship between his son and his wife, and a daughter-in-law who secretly stares at her father-in-law. I'm drowning... not as my son's wife...I want you to see me as a woman...sweating skin to skin, the daughter-in-law and father-in-law become just "man" and "woman" ! !The forbidden immorality that a married woman's instinct explodes is a must-see! !