Yayoi has genuine love for her husband, Takashima, who lives a life of violence. Just when she thought this happiness would continue forever, her husband suddenly returns home with a woman named Shizuka. He declares that Shizuka will be his "second wife," and from that day onwards, a life of pain and jealousy between the two women begins... A few days later, unable to bear her husband's Shizuka doting on Shizuka, Yayoi offers her anus to him. Witnessing this seemingly insane situation, Shizuka runs away from home, but...