Mio is going through a period of exhaustion and emotional fatigue in her relationship with her husband. Boasting 110cm big tits, her beauty and charm are exceptional, making her highly sought after by other men, whom she readily accepts advances from without hesitation. Though she intends to keep affairs with men other than her husband purely physical, the moment she meets them, she instantly transforms into a lustful, promiscuous woman. All eyes are on this dramatic transformation.