A nightmare that befalls a beautiful female teacher... Due to a certain trigger, the students transform into brute rapists and attack her. The hopeless rape is repeated, and she resists in vain, becoming the sex slave of the students. The screams of the female teacher echo through the classroom, and as she is violated, defiled, and filled with milky liquid by the throbbing, erect penis, the instinctive pleasure of being a woman begins to grow.