It is unknown what makes the lustful Shiro's head spin: a big dildo or from being upside down?

Video It is unknown what makes the lustful Shiro's head spin: a big dildo or from being upside down? , clip It is unknown what makes the lustful Shiro's head spin: a big dildo or from being upside down? , It is unknown what makes the lustful Shiro's head spin: a big dildo or from being upside down?