At first, her anus was only 1cm, but as I moved my dick in and out, it gradually widened to 3.5cm. "Teacher... don't you want to have some anal sex?" On the day of the entrance ceremony, this gloomy girl who wasn't usually proactive suddenly became very interested in anal sex and asked me... Her soft, smooth skin belied the size of her anus, and as soon as I forcibly widened it and inserted my dick, the tight intestinal tissue gripped my cock and wouldn't let go...