When I suddenly looked inside the kotatsu, I saw... What? Her panties are completely visible! When I played with her crotch with my fingers, the heat of the kotatsu made her pussy soaked with sweat and love juice in no time. I had raw sex in the kotatsu, which was filled with the smell of steamy pussy! Her dad was right next to her, but he was in the shadow of the kotatsu, so he didn't notice. Plus, the heat of the kotatsu killed the sperm, so I could cum inside her as much as I wanted!