It was a year ago when you fell down into the world of monsters and became a servant to the new king of the underground, Mettaton. But eventually you become more than just the typical servant... you start to fulfill his sexual needs. Mettaton X Reader (female), nsfw, dom, foreplay, masturbation, sex toys, vibrator, eventual bondage, romance, servant Cover artist: https://twitter.com/manlysparkle?s=21