The disliked corporal punishment teacher repeatedly penetrates and impregnates the depraved, beautiful-buttocked health room teacher, Sumire Kurokawa, DASS-109

For three years, I had harbored feelings for my school nurse, Kurokawa, refusing to give up despite repeated rejections. One day, while being questioned by my abusive gym teacher, Kurokawa rescued me. Trembling with lingering trauma from my past, I finally accepted his confession, saying I would say yes if he could help me. However, becoming arrogant, I kissed him in the nurse's room, only to be seen by the gym teacher, who then used the incident to blackmail me...