School hidden teacher ~ Absolute Obedience to hostage students ~

Summary: The main character, Kurogane works as a teacher, in the back, as an exorcist, she fights against the invaders "Inma" of the other world. She has been protecting people. however, due to the inma magic of the superior inma the souls of the students are connected with the lower grade inma. If Inma is hurt, students are also hurt.... Kurogane is forced to obey the inma、 You are forced to choose to offer your body as ”bait"…… Or to fight them and end without any sex acts.​