You went to the bookstore one day to buy some manga, but you got a lot more than you bargained for. You end up saving the Royal Scientist's life, and her fiancée can't thank you enough. So that's how you met the gang. But who's that skeleton guy you see in your dreams? Did the ambassador of monsters just join your swim team? Sans X Reader. Bad Words. Violence.
Undertale - Rated: T - English - Adventure/Family - Chapters: 28 - Words: 159,869 - Reviews: 62 - Favs: 107 - Follows: 116 - Updated: 8/7 - Published: 9/18/2017 - Frisk, Papyrus, Sans, Undyne