Akiho, an ordinary housewife, one day decides to go out without underwear and experiences a thrill and excitement she never felt before. From that day on, Akiho's latent desires gradually awaken. She fantasizes daily about having sex with other men in the empty room next door. Her infidelity towards her husband is also fueled by her lustful desires. Finally, unable to be satisfied with her current situation, she begins to fantasize about an abnormal sex life…