For many years, Frisk never once knew about Valentine's Day. What?!! That's probably what you're thinking. Anyways, Frisk has a huge crush on a certain skeleton who's also crushing on someone else. Will she be able to confess her love to him and live a happy ending? Also...Frisk is a girl in this story ;) UNDERTALE DOESN'T BELONG TO ME. IT BELONGS TO TOBY FOX. None of the used pictures&gif's are mine. And that's about it. Plz follow, vote, and comment in my books. I'll be happy to hear from you. Buh bye!!!!

Please read this book this about me and my friends and your ships but this one RT frisk x Underfell sans is mine I don't ship them but I like underfell sans and RT frisk so I made it as a ship for me and my boyfriend

19-year-old Frisk is faced with the challenge of facing her emotions when she moves in with her best friend/life-long crush. The reason for her move College why else? ( This is my first story written in third person. Enjoy)

Sans and Frisk go through their journey as enemies at first, and soon blossoms into soulmates. But.... it may have to be cut off due to unwanted visits and people...

SPOILERS: My names Frisk, at the moment I'm 16. If you know my story, you know that I fell to the world below the human world where, at the age of 8, I had to make friends with monsters that almost all tried to kill me. In the end, I had made many friends and was able to get all the monsters back to the world above. But not shortly after that I reset and meat a girl named Chara and well, you know what happened after that. After that hell I reset one more time. I got the world back to the way I got It before and I haven't reset once since then. Now I live with my mom, Toriel. Sans and Papyrus live across the street and just recently Alphys and Undyne got married! Everything was going great with everyone, the humans even are okay with the monsters. But the happens didn't last long. I go missing. " You're not Papyrus and Sans. Who are you? Where am I?" Underfell HEY GUYS. SO THIS IS A FRISK X SANS FOR UNDERFELL. IM GOING TO TELL YOU RIGHT NOW THERE WILL BE SMUT SO IF YOU ARE UNDER 15 PLEASE GO AWAY. AND ALSO THIS IS GOING TO BE A VERY SAD STORY SO IF U CANT TAKE THAT GO READ HAPPY THINGS OR DO SO AFTER READING THIS BOOK X) ANYWAY IF U DO READ THANK YOU FOR DOING SO! OH AND SORRY IF THE DRAWING IS NOT THAT GOOD I DID IT MYSELF...

In another time line. Another AU. Through Undertale history. This is a somewhat new story. That is about to be unraveled. Heh. sUCK IT UT SANS. MM. SO GOOD.

Welcome to underfell! An au, where everyone is evil except frisk, flowey, and chara!

The fanfiction begins after your reset from the Genocide route. This is kind of like a Reader x Sans because YOU are Frisk. Reader chan is Frisk~ This is going to be a fun ride so sit back and enjoy reading the fanfiction! No lemons! I do not own the Undertale fandom but the fanfiction itself! Undertale belongs to Toby Fox. Cover art used belongs to mao2kon ~ http://mao2kon.tumblr.com/ Edits added by me

Sans, a fellow monster and a future lover of Frisk. Frisk the human. The human destined to save the underground and the monsters. But, what will happen if both Sans and Frisk develop feelings for each other, and become couples. Will everything go smooth? Or will there be any obstacles and enemies in the way? Stick around!