Anata e Sasageru Sadistic

Shibasaki, a high school teacher, is adored by others for her deep love for her students and her gentle personality. One day, she encounters the bullying of Masono, a student who hasn't been attending school because of bullying, and decides to rescue her. Shibasaki visits Masono's home to try to listen to her story, but the response Shibasaki receives is something unexpected...!?

(Source: Takeshobo, translated)