I started working with Ayano-sensei, the strictest English teacher at school, on revealing her underwear a few days ago. One day after school, I received a warning from Ayano-sensei about leaving school grounds early near the library stairs. I was shocked to see that the serious Ayano-sensei was without panties. The next day, I went to the same stairs at the same time, thinking I could see the same thing again. To my surprise, Ayano-sensei didn't notice me and was raising her skirt with an ecstatic expression…
