Rio, a newly appointed teacher, finds her work rewarding, but worries that her class is on the verge of collapse. One day, she decides to summon the students for a meeting, only to be met with a request: "I'll participate in class if you show me your boobs, lol." Determined to prevent the class from falling apart, she shows them her boobs...and then, one after another, the naughty students get carried away and gang rape her!!