Ryo is a strict female teacher who refuses to let her adult students take her lightly. Her coworker Ichijo secretly harbors a warped affection bordering on admiration for her strength and repeatedly films her without permission. When she discovers his spying by chance, a desperate Ichijo pins her down. With her vulnerability now in his hands, Ryo is forced to endure humiliation around the school. At first she obeys the degrading workplace training only under protest, but her body gradually begins to respond.