Gakuen Maria: Bakunyuu Teachers / Maria at School

Maria-san is an intelligent and polite teacher, she has many recommendation letters from her previous job. Therefore, she didn't have to search for a job, and she was accepted into one of the prestigious academies without an interview, because her sister also worked there. However, immediately after getting the job, entering one of the suspiciously noisy classes, Maria found her sister having sex with several students, her body went numb and aroused, but she couldn't move a step, and soon she herself didn't notice how she joined the depraved games.