ZEX-392 If a girl had a tail, and moreover that was an erogenous zone… ~A World with Tails~

In 20XX, a world where humans with ‘tails’ began to appear. There, 5% of all humans are people with ‘tails’. As a result of research, it was proved that it was the appearance of an evolved human being. There was a school where only humans with tails attended school. It is a video that summarizes the process that led to the sexual act after interviews with the students who went there…