RCTD-749 · Rocket 18th Anniversary User Request Festival: A World Where Anal Authentication Is Normal Remake - Biometric Authentication Is Your Asshole!?

The year is 20xx, and an era has arrived where biometric authentication using your asshole—something you'd never normally show anyone—has become commonplace... This time, the setting is a high-security office! Register your anus by opening and closing it! Your ass and asshole will be in full action for everything from entering the building to opening safes! It's a series of scenes where you can almost smell it! There's also embarrassing farting and gaping anal sex!