ZEX-392 What if a girl had a tail, and what if it was an erogenous zone... ~A world with tails~

In 20XX, a world where humans with tails began to appear. There, 5% of all humans have 'tails'. As a result of research, it has been proven that this is an evolved form of humanity. There was a school where only tailed humans attended. This is a video that summarizes the circumstances that led to the sexual act after the reporters who went there conducted interviews with the students.