Toshoshitsu no Kanojo: Seiso na Kimi ga Ochiru made The Animation

Until the Female Teacher Falls (Part 2)

The vice principal thought he had come to help her. But her joy was fleeting, as the man was a male seduced by a female. She pleaded with him to come to his senses, but his four arms, covered in desire, were mercilessly stretched out to Takamine Ayako's body. The vice principal and Kito attacked her from above and below, and her female body was in a state of disarray and went wild. Although exhausted by the endless pleasure, Takamine Ayako endured desperately for the sake of the students she was meant to save. Then Kito suggested a certain "game"...?