Looking at the picture, you might think it's the father-in-law and daughter-in-law, right, but in fact the content is completely different from what you initially thought. Nao Jinguji is a graduate student, with a stable job thanks to the right advice of her old teacher, so she went to a good school, a profession with a stable job. To show her gratitude, when she learned that the teacher's wife was sick, she came to take care of him, but she did not expect that he was a pervert, taking advantage of her gratitude to make her his lover, then secretly taking advantage of her. filmed and blackmailed her day after day.