27 Year Old Teacher on the Night Shift

Teacher (27 years old)
A popular female teacher at school, who secretly fucks her students.
Due to a forced uterine prolapse, she is undergoing treatment by massage

Principal
Has always loved the teacher. Had given up due to their age difference,
but after finding out she fucks the students, he sees his chance.
He buys various devices and stops masturbation in preparation for what he's about to do to her...