Kijo e Sasageru SadisutikkuAnata e Sasageru Sadistic; 貴女へささげるサディスティック; All My Sadism, Just for You; Todo o Meu Sadismo, Só para Você; Dành tặng em những khoái lạc tàn bạo

High school teacher Shibasaki was well-liked by everyone around her because of her kind personality and the genuine care she showed towards her students. One day, she witnesses a scene where a girl named Masono, who was not attending school, is being bulliedand decides that she needs to help her. Shibasaki goes to Masono's house to try to talk to her, but the words she hears back are completely unexpected...!?