In 20xx, an era has arrived where biometric authentication using the butt hole, which is never shown to others in everyday life, is commonplace...This time, the setting is an office with strict security!Open and close your anus to authenticate and register your anus!Her butt and anus play an active role in all aspects of the company, including entering the building and the safe!A series of scenes that seem to stink!There's also embarrassing farting and anal sex with a gaping ass hole!
