Every afternoon, Sayuri’s stern voice can be heard disciplining students in the hallway. She is one of the school’s strictest and most serious teachers, and the studious adult class representative secretly admires her dedication. One day, while climbing the stairs between classes, he hears Sayuri above him. He looks up to greet her and realizes she is not wearing panties. Stunned that such a proper teacher would expose herself like that, he feels his cock growing hard...