Yui is a beautiful wife who lives happily with her husband. One day, when she goes to a bar to pick up her drunk husband, she is charged an exorbitant fee. When she is confused and unable to pay, she is forced to pay with her body, gagged and raped. After that, she is threatened by the bar owner and raped by the bar owner and his men. Yui's mind breaks down after being confined and trained in an iron cage, and before she knows it, she begins to wish to be cuckolded by men in front of her husband...