A newly appointed teacher, Ms. Rio, has a fulfilling job but is worried that her class is on the verge of collapse. One day, she decides to call a meeting with her students, only to be asked, "I'll come to class if you show me your boobs, haha." In order to keep the class from collapsing, Rio decides to show her breasts to the students ...... However, one by one, the naughty students lose their minds and gang rape her!