Just the other day, I married the father of my former student, Kaori, becoming her stepmother and a part of their family, enjoying what I thought was a happy family life. However, one day, when I invited some male students who often visited the house, it turned out to be a despicable trap designed to humiliate me. I desperately begged Kaori for help, but she only stood by, silently smiling as she watched my suffering. From that day on, I was surrounded daily by her classmates, marking the beginning of a new torment for me...