Recently, my husband's stepchild, Haruo, has been acting strange. He'll suddenly stand behind me, or try to hug me. I've tried to talk to my husband about it, but he says, "We're father and son, after all," and there's no way to get through to him... But my bad premonition turned out to be true. One day, I saw Haruo masturbating with my underwear. Enraged, he attacked me...