Kaho runs a yoga class. In addition to her careful instruction, her beauty has spread by word of mouth, and the number of students is increasing, so she is living a smooth sailing life. One day, a student secretly films her masturbating in an empty classroom, threatens to spread the footage, and rapes her. After that, Kaho continues to be toyed with by men, so she confides in her boyfriend, who somehow manages to help her, but...