Li Bin even claims that 'they all know each other'.
In yet another incident of in China, the attack was recorded on mobile phones by bystanders who were bent on filming the drama instead of stopping the perpetrators, who were her schoolmates apparently.
Chinese authorities have clamped down on thousands of porn sites, but have not been able to check nude videos posted on social media.
A similar effect has also been reported in other cities with a similar skew.
The Government feared they would evoke sympathy for the female prisoners.
A teenage girl was beaten, stripped, and then given more hammering by a group of teenage girls in Lingao county on Hainan island, China's southern-most province.