||G!Sans x Reader|| Caught in a merciless crossfire between Monsters and Humans, (y/n) must do whatever she can to avoid being taken by the grasp of War. (Y/n) stumbles across an unexpected companion in her quest to survive. An unlikely partner who happens to be a monster. Neither being can promise each other that they won't die, but they can promise that they will be with each other until they do. Neither of them can do this alone. But they make one unspoken rule with each other. "No promises." ||all art in the book is by me! Including the cover. If the art shown is not mine, I will tell you in the chapter. Feel free to use any of my art for your book, just credit me. Enjoy 'No Promises'||