A beautiful female teacher who was raped

Marie, a capable, beautiful female teacher with a serious, sense of justice, is spotted by her students having an affair with a fellow teacher! The madness of the students, who have their fangs escalate more and more, and because of their mouths, they seek Marie's body once, twice or three times, and then they fall into an endless, humiliating sexual life...! What will be the fate of Marie, who is thrust into the depths of pitiful prison in a school filled with evil students? !