The jealousy of female students takes on an intensely malicious and despicable form, spreading a web of bullying throughout the class. Mayura Hoshitsuki, the popular class idol, enjoys spending time surrounded by boys. However, the other girls refuse to accept her presence and begin attacking her one after another. Falsely accused of stealing a wallet, she is met with cold stares and verbal abuse from the entire class. With everyone around her now an enemy, there is no escape. From male classmates, she is forced into oral sex in the bathroom. In the classroom, she suffers intense forced fellatio and public vibrator torture, enduring both physical and psychological torment. This series of cruel acts not only drives Mayura to the brink but also leaves deep emotional scars on her soul.