SDAB-291 After-school secret meeting Teacher staff hidden camera club Kurumi Kanai

A secret club that is secretly held after school between Amai, a female student at school 〇〇, and some teachers. There, a teacher carries a camera and takes pictures of Amai and her girlfriend playing various games inside the school after school. Amai himself is drowning in a sense of immorality and his play escalates every time. Some teachers are said to be making money by posting their footage online without permission.