I was being taught to study at home by Yuka from ***. He becomes lustful when he sees her in black tights during a break, so he runs into the bathroom to cheat. My erection somehow subsided and my relief was short-lived. Yuuka's loafers at the entrance catch my eye. As he was engrossed in the scent, immersed in a sense of immorality, Yuuka in question took a picture of him with her smartphone...