HAVD-853 - Chika Arimura, a female teacher raped in place of a student on the school bus

Men suddenly board the bus going to extracurricular classes and attack the female students. A female student is tied up, played with, and incontinence. The female teacher takes her place and is raped on the bus, and she can't hold back and incontinence in front of the students. A female teacher who is imprisoned and raped by men's dicks one after another goes crazy, and all the students also fall victim to the dicks. What action did the female teacher take when she couldn't stop being in heat?