MDYD-510 - Ritsuko Kawai, a female teacher who fell into a student's trap

Ritsuko, a female teacher who helps Tanaka, a student who is being bullied, gets framed by delinquents. She is restrained and raped by delinquents in the classroom late at night. Ritsuko desperately refuses, but her body gradually begins to writhe in agony. After that, she becomes their obedient sex slave and is played with with toys during class, and is forced to play humiliatingly in front of a large number of students. Furthermore, she is made to have strong sex with the student who is being bullied...