|| Hello dearest readers~ This is going to be a one shots of all the Underverses of Undertale! This is my first one shots so please forgive me if it's a little cheesy. Anyway, I am writing this for those who loves all the Underverse versions of Undertale! This is going to be one of the most interesting fan fiction stories you will ever read! Or so hope I think anyways. Well, if you found this one shot fan fic, read at your own risk. This is 18+ for mature audiences and has lot of AU Sin! But if you're younger and wanting to read this fan fiction, as said, read at your own risk darlings! If you are older, beware on what you are about to read. But please enjoy the one shots fan fic of Underverse! You grateful sinner!! || || WARNING!! THIS MAY HAVE SEXUAL CONTENT, NUDITY AND LANGUAGE!! ||