Absolute Territory Created by Tights

Classes before noon ended and when lunch break began, I would always spend time relaxing and chatting with my girlfriend Mio on the rooftop. Today as well, as Mio sat between my knees, happily swaying her body left and right, I was having a leisurely chat with her. But during the course of our conversation, I ended up touching Mio's feet. However, at that moment, it was revealed that Mio's feet were sensitive...