Reiko is a female teacher who is obedient to a certain student. Her beautiful big breasts are squeezed and she is skillfully humiliated with words, showing a look of humiliation that makes her die of embarrassment. She secretly plays with a vibrator during a test, has sex with a fellow teacher, is accused of immorality, and is thrust into hard until she cums again and again. Furthermore, her lewd and masochistic nature is revealed when the student punishes her with sex.